1 00:00:00,794 --> 00:00:04,253 Narrator: On this head-spinning episode of "MythBusters"... 2 00:00:04,255 --> 00:00:05,552 [ Adam laughs ] 3 00:00:05,554 --> 00:00:08,985 ...Adam and Jamie fire up a fearsome explosive... 4 00:00:08,987 --> 00:00:11,386 Jamie: That's one way to cut up a watermelon. 5 00:00:11,388 --> 00:00:13,792 ...as they test a military myth... 6 00:00:13,794 --> 00:00:15,634 You're not nervous about making the shot, are you? 7 00:00:15,636 --> 00:00:18,906 ...that C-4 is a serviceable cooking fuel... 8 00:00:18,908 --> 00:00:20,280 Mmm. It's not bad. 9 00:00:20,282 --> 00:00:23,284 ...but if subjected to heavy-hitting action... 10 00:00:23,286 --> 00:00:24,955 Oh! It's on his shoe! 11 00:00:24,957 --> 00:00:26,756 ...creates a culinary catastrophe. 12 00:00:26,758 --> 00:00:28,728 There it goes... pouring right onto the C-4. 13 00:00:30,033 --> 00:00:32,802 Meanwhile, Kari, Grant, and Tory... 14 00:00:32,804 --> 00:00:35,071 Chin up, buddy. It's gonna be over before you know it. 15 00:00:35,073 --> 00:00:37,473 ...mull a martial-arts myth 16 00:00:38,542 --> 00:00:40,509 that a fabled flying guillotine... 17 00:00:40,511 --> 00:00:42,711 Somebody's losing a finger on this shoot. 18 00:00:42,713 --> 00:00:46,047 Narrator: ...can decapitate and capture your cranium. 19 00:00:46,049 --> 00:00:48,549 You ready? Let's do this. 20 00:00:51,519 --> 00:00:52,853 Who are the MythBusters? 21 00:00:53,655 --> 00:00:55,557 Adam Savage... 22 00:00:55,559 --> 00:00:57,426 70% chance of science. 23 00:00:57,428 --> 00:00:59,096 ...and Jamie Hyneman. 24 00:00:59,098 --> 00:01:00,231 We're gonna have an adventure. 25 00:01:00,233 --> 00:01:01,799 Between them, 26 00:01:01,801 --> 00:01:05,205 more than 30 years of special-effects experience. 27 00:01:05,207 --> 00:01:06,974 Together with Tory Belleci... 28 00:01:06,976 --> 00:01:08,876 Wasn't ready for that one, Kari. 29 00:01:08,878 --> 00:01:10,512 ...Grant Imahara... 30 00:01:10,514 --> 00:01:11,646 Something just touched me! 31 00:01:11,648 --> 00:01:12,581 Narrator: ...and Kari Byron. 32 00:01:12,583 --> 00:01:13,715 Let's do it. 33 00:01:13,717 --> 00:01:17,153 Narrator: They don't just tell the myths. 34 00:01:17,155 --> 00:01:19,923 They put them to the test. 35 00:01:19,925 --> 00:01:24,925 MythBusters 9x17 - Flying Guillotine Original air date October 26, 2011 36 00:01:24,927 --> 00:01:30,927 Sync and corrected by atrn97g www.addic7ed.com 37 00:01:31,801 --> 00:01:33,234 What's with the stove? 38 00:01:33,236 --> 00:01:34,603 It is our next story. 39 00:01:34,605 --> 00:01:36,671 - It's about cooking? - Sort of. 40 00:01:36,673 --> 00:01:37,806 It is a military myth, 41 00:01:37,808 --> 00:01:40,109 and it's about replacing your normal cooking fuel 42 00:01:40,111 --> 00:01:44,048 with something usually considered far more destructive. 43 00:01:44,050 --> 00:01:45,250 With explosives? 44 00:01:45,252 --> 00:01:47,486 Not just any explosive... your favorite. 45 00:01:47,488 --> 00:01:49,054 Well, that would be C-4. 46 00:01:49,056 --> 00:01:50,055 Exactly. 47 00:01:50,057 --> 00:01:52,792 The myth is that C-4 is so stable, 48 00:01:52,794 --> 00:01:54,060 you can light it with a match 49 00:01:54,062 --> 00:01:56,330 and it will burn and cook your lunch. 50 00:01:56,332 --> 00:01:57,698 And it doesn't explode? 51 00:01:57,700 --> 00:01:59,033 It won't. 52 00:01:59,035 --> 00:02:00,969 Although you're told not to stomp on it 53 00:02:00,971 --> 00:02:02,005 or drop your pot on it 54 00:02:02,007 --> 00:02:03,707 'cause that could make it blow up. 55 00:02:03,709 --> 00:02:05,341 Well, that would make for some hot chili. 56 00:02:05,343 --> 00:02:06,676 Indeed. 57 00:02:06,678 --> 00:02:08,311 C-4. 58 00:02:08,313 --> 00:02:11,081 Not just the explosive of choice for the MythBusters... 59 00:02:12,149 --> 00:02:14,852 When in doubt, C-4. [ Laughs ] 60 00:02:15,821 --> 00:02:17,855 ...but also the military. 61 00:02:17,857 --> 00:02:21,959 But can C-4's power be used another way... 62 00:02:21,961 --> 00:02:24,027 to cook with, without exploding? 63 00:02:24,029 --> 00:02:25,362 Well, that's great. 64 00:02:25,364 --> 00:02:27,864 Well, there's two parts to this story. 65 00:02:27,866 --> 00:02:30,433 One is that supposedly you can light C-4 on fire 66 00:02:30,435 --> 00:02:32,202 and it will burn without blowing up, 67 00:02:32,204 --> 00:02:34,405 and the second is, is that you better not drop a pot on it 68 00:02:34,407 --> 00:02:35,907 or stomp on it while it's on fire 69 00:02:35,909 --> 00:02:37,542 'cause that could make it blow up. 70 00:02:37,544 --> 00:02:39,310 I think we should test both of those. 71 00:02:39,312 --> 00:02:40,912 Sure. [ Laughs ] 72 00:02:40,914 --> 00:02:44,884 So, to find out if this myth is cooking with gas, 73 00:02:44,886 --> 00:02:46,386 or just a flash in the pan, 74 00:02:46,388 --> 00:02:49,389 the guys head to the safety of... you guessed it... 75 00:02:49,391 --> 00:02:50,858 a bomb range. 76 00:02:50,860 --> 00:02:53,728 Now, before we get down to the business of testing this myth, 77 00:02:53,730 --> 00:02:56,030 let's reacquaint ourselves with C-4, shall we? 78 00:02:56,032 --> 00:02:59,234 For this is not simply a stable, high-speed explosive 79 00:02:59,236 --> 00:03:00,569 in a plastic medium 80 00:03:00,571 --> 00:03:02,771 that you can mold into the shape of a bunny and blow up. 81 00:03:02,773 --> 00:03:03,773 [ Squeak! ] 82 00:03:03,775 --> 00:03:05,608 Oh, no. This is versatile stuff. 83 00:03:05,610 --> 00:03:08,011 Let's take a look at a simple C-4 detonation. 84 00:03:08,013 --> 00:03:10,180 Narrator: This is why the military likes C-4. 85 00:03:10,182 --> 00:03:12,516 It can make things go away. 86 00:03:12,518 --> 00:03:15,152 That's one way to cut up a watermelon. 87 00:03:15,154 --> 00:03:19,023 But it's also a precision device, too. 88 00:03:19,025 --> 00:03:21,325 Adam: This piece of metal bent into a "W" shape 89 00:03:21,327 --> 00:03:24,228 is going to cut this bar cleanly in half. 90 00:03:24,230 --> 00:03:26,931 That's right. "W" stands for "whupah!" 91 00:03:26,933 --> 00:03:28,032 Man: 3, 2... 92 00:03:31,170 --> 00:03:34,706 That is beautiful. Look at that nice, clean cut. 93 00:03:34,708 --> 00:03:36,908 I could do a little better with a saw, 94 00:03:36,910 --> 00:03:38,610 but it does, indeed, work. 95 00:03:38,612 --> 00:03:40,612 Now that we've seen how it detonates, 96 00:03:40,614 --> 00:03:43,282 it's time to tackle our story, which, simply stated, 97 00:03:43,284 --> 00:03:46,085 is that this stuff... C-4 plastic explosive... 98 00:03:46,087 --> 00:03:48,687 is stable enough to actually light on fire 99 00:03:48,689 --> 00:03:50,223 and heat your lunch with, 100 00:03:50,225 --> 00:03:53,359 that it will not blow up, even if you set it on fire. 101 00:03:53,361 --> 00:03:55,229 That's what we're about to test. 102 00:03:55,231 --> 00:03:58,432 Narrator: Okay, why might burning C-4 explode? 103 00:03:58,434 --> 00:04:01,636 Well, heat causes molecules to become excited. 104 00:04:01,638 --> 00:04:05,073 The greater the heat, the more the molecule mania, 105 00:04:05,075 --> 00:04:10,646 and that can cause instability and possibly an explosion. 106 00:04:10,648 --> 00:04:13,449 So, from the safety of their bunker, 107 00:04:13,451 --> 00:04:15,583 and ignited by a remote, neon transformer... 108 00:04:16,819 --> 00:04:18,119 You ready? 109 00:04:18,121 --> 00:04:19,286 Igniting C-4, 110 00:04:19,288 --> 00:04:21,922 seeing if it burns without blowing up, 111 00:04:21,924 --> 00:04:23,824 in 3, 2, 1... 112 00:04:25,226 --> 00:04:26,226 - Yup. Jamie: - It's burning. 113 00:04:27,294 --> 00:04:31,030 Wow. [ Laughs ] It's really burning. 114 00:04:31,032 --> 00:04:32,765 It burns hot. 115 00:04:32,767 --> 00:04:34,834 But blowing up, it ain't. 116 00:04:34,836 --> 00:04:37,237 I don't think I'd want to be next to that. [ Laughs ] 117 00:04:37,239 --> 00:04:39,373 I don't care what they say. 118 00:04:39,375 --> 00:04:40,641 [ Laughs ] 119 00:04:40,643 --> 00:04:42,977 Narrator: The C-4 burned at more than 1,000 degrees, 120 00:04:42,979 --> 00:04:45,180 rapidly and without a kaboom. 121 00:04:45,182 --> 00:04:49,484 That's very good news for this myth, so far. 122 00:04:49,486 --> 00:04:51,587 Now that we know it burns, let's see how well it cooks. 123 00:04:54,891 --> 00:04:56,993 Meanwhile, Grant, Kari, and Tory 124 00:04:56,995 --> 00:04:59,861 are attempting to wrap their heads around 125 00:04:59,863 --> 00:05:01,930 a mysterious martial-arts myth. 126 00:05:01,932 --> 00:05:03,164 All right, Kari, what's with the cool costume? 127 00:05:03,166 --> 00:05:04,766 Take a deep breath. 128 00:05:04,768 --> 00:05:06,734 [ Both inhale sharply ] We're doing a kung-fu myth. 129 00:05:06,736 --> 00:05:08,068 - Yes! - Yes! 130 00:05:08,070 --> 00:05:09,103 Which one? 131 00:05:09,105 --> 00:05:10,137 "The flying guillotine." 132 00:05:10,139 --> 00:05:12,473 - Oh, I love that movie! - Yes! 133 00:05:12,475 --> 00:05:13,941 That's the one where the guy has a weapon. 134 00:05:13,943 --> 00:05:15,009 It's like a hat. 135 00:05:15,011 --> 00:05:16,577 He throws it over the other guy's head, 136 00:05:16,579 --> 00:05:18,679 and he pulls the chain, and it decapitates him! 137 00:05:18,681 --> 00:05:19,981 Calm down. 138 00:05:19,983 --> 00:05:21,950 Yeah, and not only that, but once you cut the head off, 139 00:05:21,952 --> 00:05:24,553 you can actually retrieve the head back to the thrower. 140 00:05:24,555 --> 00:05:25,721 Well, I think the cool thing is 141 00:05:25,723 --> 00:05:27,022 that this might be more than a movie myth. 142 00:05:27,024 --> 00:05:29,258 This might be an actual, ancient weapon. 143 00:05:29,260 --> 00:05:30,926 It could work. 144 00:05:32,296 --> 00:05:35,931 Narrator: Made famous by B-grade kung-fu movies, 145 00:05:35,933 --> 00:05:39,501 the flying guillotine was a disc that, when thrown over the neck, 146 00:05:39,503 --> 00:05:43,204 would decapitate and capture the victim's head. 147 00:05:43,206 --> 00:05:46,340 But it might not just be a filmmaker's fantasy 148 00:05:46,342 --> 00:05:49,076 because legend has it emperor Yongzheng 149 00:05:49,078 --> 00:05:51,645 commissioned the device in 1722. 150 00:05:51,647 --> 00:05:53,847 But unfortunately for the MythBusters, 151 00:05:53,849 --> 00:05:56,683 no drawings of the design survive. 152 00:05:56,685 --> 00:05:58,852 Okay, what a terrifying concept... 153 00:05:58,854 --> 00:06:01,120 assassins that can behead you from a distance? 154 00:06:01,122 --> 00:06:03,289 But you know what? The real problem right now is finding a design. 155 00:06:03,291 --> 00:06:05,392 I mean, we've been through all these history books 156 00:06:05,394 --> 00:06:06,660 and found nothing. 157 00:06:06,662 --> 00:06:09,230 I mean, the only designs come from the movies themselves. 158 00:06:09,232 --> 00:06:11,232 I mean, we're on our own on this one. 159 00:06:11,234 --> 00:06:12,967 All right, well, why don't we come up with some prototypes? 160 00:06:12,969 --> 00:06:14,669 We can incorporate some ideas from the movies 161 00:06:14,671 --> 00:06:17,539 and come up with our own ideas and see which works best. 162 00:06:17,541 --> 00:06:19,308 So, we might actually get to design 163 00:06:19,310 --> 00:06:20,776 our own flying guillotine? 164 00:06:20,778 --> 00:06:22,445 This is awesome. 165 00:06:22,447 --> 00:06:25,582 Narrator: So, in order to test whether the mythical flying guillotine 166 00:06:25,584 --> 00:06:27,651 was a viable assassination weapon, 167 00:06:27,653 --> 00:06:30,454 they're going to divide and compete 168 00:06:30,456 --> 00:06:33,990 to see if they can design their own flying guillotine 169 00:06:33,992 --> 00:06:35,925 based on four parameters. 170 00:06:35,927 --> 00:06:38,294 One... enough power to cut the head off. 171 00:06:38,296 --> 00:06:40,763 Two... it has to be light enough to be thrown. 172 00:06:40,765 --> 00:06:42,898 Three... it has to be safe enough to be deployed 173 00:06:42,900 --> 00:06:44,600 without cutting your own fingers off. 174 00:06:44,602 --> 00:06:48,803 And four... you have to have some means to retrieve the head. 175 00:06:48,805 --> 00:06:51,272 Narrator: With each of them working alone, 176 00:06:51,274 --> 00:06:54,342 it's going to test the team's prototyping skills to the limit. 177 00:06:54,344 --> 00:06:57,612 Kari: Now, a traditional guillotine gets its cutting force 178 00:06:57,614 --> 00:06:59,447 from the fact that you have a massive blade 179 00:06:59,449 --> 00:07:01,415 traveling a long distance 180 00:07:01,417 --> 00:07:04,452 to create enough force to chop a head off. 181 00:07:04,454 --> 00:07:06,487 We have to make our devices lightweight, 182 00:07:06,489 --> 00:07:08,623 and we only have about six inches of travel 183 00:07:08,625 --> 00:07:10,391 to create that same sort of force. 184 00:07:10,393 --> 00:07:13,895 Narrator: In their respective corners of the shop, 185 00:07:13,897 --> 00:07:16,998 the guys begin by playing with ideas and concepts 186 00:07:17,000 --> 00:07:19,267 that may or may not work. 187 00:07:19,269 --> 00:07:22,003 All right, so, I had a great idea for a flying guillotine. 188 00:07:22,005 --> 00:07:24,272 I asked the researchers to find me a bear trap. 189 00:07:24,274 --> 00:07:27,174 Hopefully this would have enough energy 190 00:07:27,176 --> 00:07:30,678 to actually crush through a person's head. 191 00:07:33,048 --> 00:07:34,983 Clearly there's enough force, but... 192 00:07:34,985 --> 00:07:36,284 [ Grunts ] 193 00:07:36,286 --> 00:07:40,055 ...throwing this through the air could be problematic. 194 00:07:40,057 --> 00:07:43,125 Narrator: Meaning it's gonna be a "try it and see" kind of process. 195 00:07:44,194 --> 00:07:45,627 Yeah! 196 00:07:45,629 --> 00:07:47,630 Sometimes in the design process, 197 00:07:47,632 --> 00:07:50,299 you just have to get in there and get your hands dirty. 198 00:07:50,301 --> 00:07:53,035 Because there are no historical documents, no blueprints, 199 00:07:53,037 --> 00:07:55,103 no plans for a flying guillotine, 200 00:07:55,105 --> 00:07:57,840 we're just gonna have to figure this out as we go, 201 00:07:57,842 --> 00:08:00,342 which is gonna mean a lot of trial and error. 202 00:08:00,344 --> 00:08:02,310 Probably, mostly error. 203 00:08:02,312 --> 00:08:03,745 Narrator: And that's immediately clear 204 00:08:03,747 --> 00:08:05,113 from Kari's first fiddle with a fan 205 00:08:05,115 --> 00:08:07,248 from an air-conditioning duct. 206 00:08:07,250 --> 00:08:09,250 It's hard to use, it's getting heavy, 207 00:08:09,252 --> 00:08:11,352 and I just don't think it's gonna work. 208 00:08:11,354 --> 00:08:14,088 Narrator: So it's back to square one for Kari. 209 00:08:14,090 --> 00:08:15,857 And likewise, on Belleci's bench, 210 00:08:15,859 --> 00:08:18,627 this lethal-looking, scissor prototype he's made 211 00:08:18,629 --> 00:08:21,097 is also a dud. 212 00:08:21,099 --> 00:08:23,533 Uh, my flying guillotine doesn't work at all. 213 00:08:23,535 --> 00:08:25,468 I mean, it kind of looks cool... 214 00:08:27,505 --> 00:08:30,174 ...but if you put something inside of it... 215 00:08:31,576 --> 00:08:34,011 ...like, that's the safest place to be. 216 00:08:34,013 --> 00:08:37,180 Narrator: Despite the pressure of their early designs 217 00:08:37,182 --> 00:08:40,283 failing on several fronts, the guys aren't deterred. 218 00:08:40,285 --> 00:08:42,318 I'm gonna have to come up with a whole new design. 219 00:08:42,320 --> 00:08:44,553 Narrator: After all, learning from your failures 220 00:08:44,555 --> 00:08:46,689 is all part of the prototype process, 221 00:08:46,691 --> 00:08:47,990 which is exactly what Kari does 222 00:08:47,992 --> 00:08:51,092 by opting for a far simpler concept. 223 00:08:51,094 --> 00:08:52,627 Picture a cigar cutter. 224 00:08:52,629 --> 00:08:56,498 Basically, just have a blade on the rim of the hat that goes... 225 00:08:56,500 --> 00:08:59,434 Takes the head right off. 226 00:08:59,436 --> 00:09:02,872 Narrator: Meanwhile, using an authentic Ching Dynasty design app, 227 00:09:02,874 --> 00:09:06,510 Grant has decided simpler is not better. 228 00:09:06,512 --> 00:09:08,378 Grant: Now, what you need in order to cut someone's head off 229 00:09:08,380 --> 00:09:11,148 with a blade is speed and power. 230 00:09:11,150 --> 00:09:12,316 Now, we've got this ring 231 00:09:12,318 --> 00:09:13,951 that's supposed to go over someone's head, 232 00:09:13,953 --> 00:09:15,553 but that doesn't leave a lot of space 233 00:09:15,555 --> 00:09:18,688 for the blades inside of it to accelerate. 234 00:09:18,690 --> 00:09:22,025 So my solution is to actually cock the blades all the way back 235 00:09:22,027 --> 00:09:25,429 and let them swing out and around. 236 00:09:25,431 --> 00:09:27,564 Narrator: With his lawn mower of death 237 00:09:27,566 --> 00:09:30,101 sporting five, highly sprung cutting blades, 238 00:09:30,103 --> 00:09:32,103 Grant's ready to pull the pin. 239 00:09:32,105 --> 00:09:34,773 Aah! [ Laughs ] 240 00:09:34,775 --> 00:09:38,510 Narrator: That was close. 241 00:09:38,512 --> 00:09:39,912 Kari: Okay, this could be the most dangerous experiment 242 00:09:39,914 --> 00:09:41,114 we've ever worked on. 243 00:09:41,116 --> 00:09:43,149 Forget car crashes, explosions, guns... 244 00:09:43,151 --> 00:09:44,985 Aah! Aah! 245 00:09:44,987 --> 00:09:46,687 ...somebody's losing a finger on this shoot. 246 00:09:48,757 --> 00:09:50,057 Don't cry wolf, Kari. 247 00:09:50,059 --> 00:09:51,059 [ Laughs ] 248 00:09:51,061 --> 00:09:52,961 'Cause then you're gonna get hurt 249 00:09:52,963 --> 00:09:55,230 and no one's gonna rush to help you. 250 00:09:55,232 --> 00:09:56,765 Narrator: Still to come... 251 00:09:56,767 --> 00:09:59,834 Flaming C-4 feels the full force of the MythBusters. 252 00:09:59,836 --> 00:10:01,837 This is gonna be fun. 253 00:10:01,839 --> 00:10:03,538 Narrator: And the flying guillotines make... 254 00:10:03,540 --> 00:10:04,673 Aah! 255 00:10:04,675 --> 00:10:05,740 Narrator: ...headway. 256 00:10:05,742 --> 00:10:07,108 - Yeah! - Nice! 257 00:10:13,920 --> 00:10:17,656 Narrator: Can you cook your goose safely using C-4? 258 00:10:17,658 --> 00:10:20,525 The military myth says you can, 259 00:10:20,527 --> 00:10:22,762 and Jamie and Adam are hot on the trail to find out. 260 00:10:22,764 --> 00:10:24,797 It's really burning. 261 00:10:24,799 --> 00:10:26,598 So far, they've seen it does burn. 262 00:10:26,600 --> 00:10:28,667 But that's not all. 263 00:10:28,669 --> 00:10:31,938 Let's just pause and take a moment here to recognize 264 00:10:31,940 --> 00:10:36,808 that we just ignited a high explosive and burned it, 265 00:10:36,810 --> 00:10:38,643 and it didn't blow up. 266 00:10:38,645 --> 00:10:40,378 This is gonna be fun. 267 00:10:40,380 --> 00:10:41,912 Narrator: Given this is a military myth, 268 00:10:41,914 --> 00:10:44,815 they're going to use a "ready to heat and eat" military meal. 269 00:10:44,817 --> 00:10:48,151 All right. Time to choose what we're gonna cook. 270 00:10:48,153 --> 00:10:49,652 So, what's for dinner, chef? 271 00:10:49,654 --> 00:10:51,154 Well, we've got four choices... 272 00:10:51,156 --> 00:10:53,823 spaghetti with meat sauce, pork sausage with cream gravy, 273 00:10:53,825 --> 00:10:56,426 southwest style beef and black beans with sauce, 274 00:10:56,428 --> 00:10:58,929 or... my personal favorite... the brisket entrée. 275 00:10:58,931 --> 00:11:00,163 I'm going with pork. 276 00:11:00,165 --> 00:11:02,732 We always go with pork in these explosive experiments, 277 00:11:02,734 --> 00:11:03,867 don't we? 278 00:11:03,869 --> 00:11:04,934 - Done. Let's do it. Here you go. - Okay. 279 00:11:04,936 --> 00:11:06,369 Narrator: So, all that's left to do now 280 00:11:06,371 --> 00:11:10,106 is retire to a safe distance and light the C-4. 281 00:11:10,108 --> 00:11:11,641 We're good to go. 282 00:11:11,643 --> 00:11:14,477 Here we go. Cooking lunch with C-4, 283 00:11:14,479 --> 00:11:17,314 in 3, 2, 1... 284 00:11:19,116 --> 00:11:20,984 We have ignition. 285 00:11:20,986 --> 00:11:22,719 It's burning beautifully. 286 00:11:23,587 --> 00:11:24,587 Wow, and that's it. 287 00:11:24,589 --> 00:11:26,322 It's like two minutes, it burns out. 288 00:11:26,324 --> 00:11:30,027 Yeah, it burns vigorously, but a little too quickly. 289 00:11:30,029 --> 00:11:31,495 Let's see how hot we got the food. 290 00:11:31,497 --> 00:11:34,264 Indeed, the proof of the pudding is in the eating. 291 00:11:34,266 --> 00:11:36,266 Eating food cooked with C-4. 292 00:11:36,268 --> 00:11:37,967 [ Laughs ] 293 00:11:37,969 --> 00:11:40,469 It's not bad, but it's not hot. 294 00:11:40,471 --> 00:11:42,604 No. It's kind of warm. 295 00:11:42,606 --> 00:11:45,173 With the C-4-cooked MRE barely lukewarm, 296 00:11:45,175 --> 00:11:47,642 the guys now want to scientifically test 297 00:11:47,644 --> 00:11:49,812 how C-4 compares 298 00:11:49,814 --> 00:11:53,081 with three other commercially available cooking fuels. 299 00:11:53,083 --> 00:11:55,350 After all, if other fuels are better, 300 00:11:55,352 --> 00:11:59,354 why would a soldier even resort to using C-4? 301 00:11:59,356 --> 00:12:01,890 Jamie: So, these are our cooking fuels. 302 00:12:01,892 --> 00:12:04,026 There are tablets that you might normally use while camping 303 00:12:04,028 --> 00:12:07,029 made of hexamethylenetetramine. 304 00:12:07,031 --> 00:12:09,264 There's a trioxane tablet, 305 00:12:09,266 --> 00:12:12,100 which is issued by the military for their rations. 306 00:12:12,102 --> 00:12:16,070 And there is chafing-dish fuel, which is basically an alcohol. 307 00:12:16,072 --> 00:12:18,973 Each of the fuels will be ignited simultaneously, 308 00:12:18,975 --> 00:12:21,475 and each will then attempt to do its best 309 00:12:21,477 --> 00:12:24,410 to heat up an identically sized pot of water. 310 00:12:24,412 --> 00:12:27,146 Adam: This is comparative cooking test, four fuels... 311 00:12:27,148 --> 00:12:32,719 including C-4... in 3, 2, 1, go. 312 00:12:32,721 --> 00:12:35,055 The neon transformer simultaneously sparks up 313 00:12:35,057 --> 00:12:37,058 all four fuels, 314 00:12:37,060 --> 00:12:39,093 each of which weighs one ounce. 315 00:12:39,095 --> 00:12:40,495 The C-4 is definitely going. 316 00:12:40,497 --> 00:12:41,763 Yeah, they're all going. 317 00:12:41,765 --> 00:12:42,731 Now we wait. 318 00:12:42,733 --> 00:12:44,466 Now we wait. 319 00:12:44,468 --> 00:12:47,336 But that wait isn't long, 320 00:12:47,338 --> 00:12:50,673 as the C-4 burns itself out in two minutes... 321 00:12:50,675 --> 00:12:53,975 Adam: The C-4's water is at 117 degrees Fahrenheit. 322 00:12:53,977 --> 00:12:56,477 Everything else is burning along merrily. 323 00:12:56,479 --> 00:12:58,045 Narrator: ...closely followed by the trioxane, 324 00:12:58,047 --> 00:13:00,981 the fuel of choice by the military. 325 00:13:00,983 --> 00:13:05,518 All right, trioxane got up to 120 degrees. 326 00:13:05,520 --> 00:13:08,421 Narrator: And then the hexamethylenetetramine. 327 00:13:08,423 --> 00:13:12,693 [ Laughs ] 149 degrees Fahrenheit. 328 00:13:12,695 --> 00:13:15,329 Narrator: Finally, the chafing dish. 329 00:13:15,331 --> 00:13:20,001 Ha! A measly 115 degrees Fahrenheit. 330 00:13:20,003 --> 00:13:22,404 So, how did our C-4 do in the cooking fuel cook-off? 331 00:13:22,406 --> 00:13:23,873 Not badly. 332 00:13:23,875 --> 00:13:26,342 By this chart here, we can see that one of our fuels, 333 00:13:26,344 --> 00:13:28,545 hexamethylenetetramine, did a spectacular job, 334 00:13:28,547 --> 00:13:31,848 heating the water to a piping-hot 149 degrees. 335 00:13:31,850 --> 00:13:35,319 The other two, the chafing-dish fuel and trioxane, 336 00:13:35,321 --> 00:13:38,221 heated within a couple of degrees of C-4. 337 00:13:38,223 --> 00:13:41,458 And you'll note, C-4 did the job a lot faster. 338 00:13:41,460 --> 00:13:45,496 That tells me it not only burns, it is a viable cooking fuel. 339 00:13:50,301 --> 00:13:54,270 Narrator: Kari, Grant, and Tory are going kung-fu crazy... 340 00:13:56,006 --> 00:13:58,907 ...testing the myth of the Chinese flying guillotine. 341 00:13:58,909 --> 00:14:02,444 [ Laughs ] You think cutting my head off will kill me? Hm! 342 00:14:02,446 --> 00:14:05,079 Narrator: Their first set of designs were uniformly successful... 343 00:14:05,814 --> 00:14:07,816 ...at failing. 344 00:14:07,818 --> 00:14:08,883 That's the safest place to be. 345 00:14:08,885 --> 00:14:10,652 Narrator: Tory's latest idea 346 00:14:10,654 --> 00:14:13,855 is as clever as it is potentially deadly. 347 00:14:13,857 --> 00:14:15,524 This one is a very simple design. 348 00:14:15,526 --> 00:14:16,859 It's a steel ring sharpened, 349 00:14:16,861 --> 00:14:19,328 but then there is a groove on the outside of the ring 350 00:14:19,330 --> 00:14:22,063 that I have wrapped this cable around. 351 00:14:22,065 --> 00:14:23,098 Let's see if it works. 352 00:14:23,100 --> 00:14:24,399 Narrator: Okay. Stand back, everyone, 353 00:14:24,401 --> 00:14:27,269 'cause Tory's ready to take his brutal saw disc 354 00:14:27,271 --> 00:14:28,903 for a spin. 355 00:14:31,740 --> 00:14:34,376 [ Chuckles ] Dude, that looks like it worked great. 356 00:14:34,378 --> 00:14:36,344 All right, well, it cut through foam. 357 00:14:36,346 --> 00:14:37,612 I wonder what it's gonna do to a neck. 358 00:14:37,614 --> 00:14:39,247 [ Both laugh ] 359 00:14:39,249 --> 00:14:43,651 Narrator: Meanwhile, Kari's pondering process is paying off, too. 360 00:14:43,653 --> 00:14:45,887 What I've come up here with now is a kitchen knife 361 00:14:45,889 --> 00:14:47,756 on top of a saw blade that's at an angle, 362 00:14:47,758 --> 00:14:50,293 sort of like a traditional French guillotine... 363 00:14:50,295 --> 00:14:53,195 two out of three headless frenchmen say it's the best... 364 00:14:53,197 --> 00:14:55,331 that will work on either a spring load 365 00:14:55,333 --> 00:14:56,465 or a really good yank. 366 00:14:57,901 --> 00:14:59,969 Narrator: To test the cigar cutter, 367 00:14:59,971 --> 00:15:02,071 Kari's rigged a rubber leg in a vise 368 00:15:02,073 --> 00:15:04,373 to see if she can get a clean cut. 369 00:15:04,375 --> 00:15:05,841 You ready? 370 00:15:05,843 --> 00:15:08,978 1, 2, 3. 371 00:15:08,980 --> 00:15:11,580 Okay, maybe not. 372 00:15:12,949 --> 00:15:15,951 Ah, it looks like it worked pretty good to me. 373 00:15:15,953 --> 00:15:17,886 It just takes a few yanks. 374 00:15:17,888 --> 00:15:21,689 Narrator: Finally, despite a near, involuntary appendectomy... 375 00:15:21,691 --> 00:15:23,391 Aah! [ Laughs ] 376 00:15:23,393 --> 00:15:26,661 Narrator: ...Grant has persevered with his beautifully designed 377 00:15:26,663 --> 00:15:30,164 but alarmingly heavy five-bladed mechanism. 378 00:15:30,166 --> 00:15:32,567 Grant: Okay, keep your arms and legs clear of the ride at all times. 379 00:15:32,569 --> 00:15:34,035 Here we go. 380 00:15:34,037 --> 00:15:37,440 In 3, 2, 1... 381 00:15:37,442 --> 00:15:40,643 [ Laughs ] 382 00:15:40,645 --> 00:15:42,979 I feel a little queasy, I got to say. 383 00:15:42,981 --> 00:15:44,281 Me too. 384 00:15:44,283 --> 00:15:47,217 Narrator: Like a red-hot guillotine through ice cream, 385 00:15:47,219 --> 00:15:52,223 the cantaloupe's no match for Grant's fearsome fruit slicer. 386 00:15:52,225 --> 00:15:55,659 [ Laughs maniacally ] 387 00:15:55,661 --> 00:15:57,728 Narrator: With the cutting component looking good 388 00:15:57,730 --> 00:15:59,730 for each of the three designs... 389 00:15:59,732 --> 00:16:02,366 Flying guillotine. 390 00:16:02,368 --> 00:16:04,835 Narrator: ...there's one thing left to sort out, 391 00:16:04,837 --> 00:16:07,437 the net to capture the head. 392 00:16:07,439 --> 00:16:10,173 I know this looks like a guillotine cap, 393 00:16:10,175 --> 00:16:12,209 but it's actually a salad bowl. 394 00:16:12,211 --> 00:16:14,412 That's right, death by salad bowl. 395 00:16:14,414 --> 00:16:17,749 So far, so good. 396 00:16:17,751 --> 00:16:21,687 Narrator: Kari's concentrated on decoration for decapitation. 397 00:16:21,689 --> 00:16:24,758 He looks like he's all dressed up for a funeral... his own. 398 00:16:24,760 --> 00:16:26,493 Narrator: Not to be outdone, 399 00:16:26,495 --> 00:16:31,164 Grant's final head-capture feature is also very... catchy. 400 00:16:31,166 --> 00:16:32,466 Grant: I added this cage, 401 00:16:32,468 --> 00:16:36,069 which allows you to connect all the pins together 402 00:16:36,071 --> 00:16:38,071 to this disc with a spring. 403 00:16:38,073 --> 00:16:43,243 You deploy the one spring that fires all the blades at once, 404 00:16:43,245 --> 00:16:47,047 and then this cage also captures the head for retrieval. 405 00:16:48,316 --> 00:16:49,650 It's done. 406 00:16:49,652 --> 00:16:51,185 I call it... 407 00:16:51,187 --> 00:16:52,954 "The Decapitron". 408 00:16:52,956 --> 00:16:56,390 Narrator: Can these flying guillotine weapons 409 00:16:56,392 --> 00:16:58,426 cut it in the real world? 410 00:17:06,739 --> 00:17:10,009 Narrator: Could the mythical, Chinese flying guillotine 411 00:17:10,011 --> 00:17:11,444 have been a real assassins' weapon? 412 00:17:11,446 --> 00:17:12,712 Aah! 413 00:17:12,714 --> 00:17:15,348 What better place for Kari, Grant, and Tory 414 00:17:15,350 --> 00:17:19,085 to test their own designs than in a genuine, Chinese garden? 415 00:17:19,087 --> 00:17:20,953 I don't think we could have picked a better environment. 416 00:17:20,955 --> 00:17:22,988 This is awesome. 417 00:17:22,990 --> 00:17:25,024 Tory: All right, now that we've each designed and built 418 00:17:25,026 --> 00:17:26,392 our own flying guillotine, 419 00:17:26,394 --> 00:17:29,262 we are here at Bamboo Giant to test three things 420 00:17:29,264 --> 00:17:30,997 in order to confirm this myth. 421 00:17:30,999 --> 00:17:32,532 First, its throwability. 422 00:17:32,534 --> 00:17:34,734 Second, can it decapitate a head? 423 00:17:34,736 --> 00:17:37,537 And if so, can it retrieve the severed head? 424 00:17:37,539 --> 00:17:40,606 Narrator: Up first is throwability testing. 425 00:17:40,608 --> 00:17:43,776 But with safety in mind, the weapons won't be armed. 426 00:17:45,412 --> 00:17:47,413 This is our target. We have a head on a stick. 427 00:17:47,415 --> 00:17:49,182 We're gonna see if we can actually land 428 00:17:49,184 --> 00:17:51,784 our flying guillotine with accuracy and ease, 429 00:17:51,786 --> 00:17:54,253 and we're going to do it from a distance of about 10 feet, 430 00:17:54,255 --> 00:17:56,088 which is about as far as you would be 431 00:17:56,090 --> 00:17:57,656 if you had to deploy your device. 432 00:17:57,658 --> 00:18:01,761 Narrator: Each of the guys will take turns to throw. 433 00:18:01,763 --> 00:18:04,497 First up, it's Kari with her designer cigar cutter. 434 00:18:04,499 --> 00:18:06,399 Okay. This is the throwing test. 435 00:18:06,401 --> 00:18:07,466 Ready? 436 00:18:07,468 --> 00:18:08,768 Tory: All right, we're looking for a ringer. 437 00:18:09,603 --> 00:18:11,871 Narrator: The cigar cutter flies. 438 00:18:11,873 --> 00:18:14,774 Well, you got his feet. 439 00:18:14,776 --> 00:18:18,745 Narrator: But on throw one, it's way short of the mark. 440 00:18:18,747 --> 00:18:19,779 Grant's next. 441 00:18:19,781 --> 00:18:21,548 His unwieldy Decapitron's 442 00:18:21,550 --> 00:18:24,317 not exactly an aerodynamic masterpiece. 443 00:18:24,319 --> 00:18:28,622 My design... it weighs in at a good seven or eight pounds. 444 00:18:28,624 --> 00:18:30,691 So, as a secondary weapon, 445 00:18:30,693 --> 00:18:33,493 I'm relying on blunt force trauma. 446 00:18:33,495 --> 00:18:36,997 Narrator: Yep, and the first throw backs that up. 447 00:18:38,198 --> 00:18:40,066 Oh! Super close. 448 00:18:40,068 --> 00:18:41,935 That's another miss. 449 00:18:41,937 --> 00:18:44,571 So, it's Tory's turn. 450 00:18:44,573 --> 00:18:45,705 Tory: So, mine's pretty light, 451 00:18:45,707 --> 00:18:46,873 and it's kind of shaped like a frisbee. 452 00:18:46,875 --> 00:18:48,141 So it's gonna be easy to throw. 453 00:18:48,143 --> 00:18:49,475 Whether or not I can hit my target, 454 00:18:49,477 --> 00:18:50,610 that remains to be seen. 455 00:18:50,612 --> 00:18:52,612 All right, spinning salad bowl of death. 456 00:18:52,614 --> 00:18:53,913 You guys ready? 457 00:18:53,915 --> 00:18:55,047 Let's see it. 458 00:18:56,949 --> 00:18:59,017 - Ooh! - Ooh! 459 00:18:59,019 --> 00:19:02,121 Narrator: That's three throws and three nos, 460 00:19:02,123 --> 00:19:04,723 which isn't good news for the myth. 461 00:19:04,725 --> 00:19:07,193 Can Kari do better in round 2? 462 00:19:07,195 --> 00:19:08,461 Ready? 463 00:19:11,765 --> 00:19:13,699 Tory: Yeah! 464 00:19:13,701 --> 00:19:16,068 Narrator: This time, she nails it. 465 00:19:17,437 --> 00:19:18,704 Grant: Good job. 466 00:19:18,706 --> 00:19:21,940 Not to be outdone, Grant's beheading behemoth... 467 00:19:23,242 --> 00:19:24,242 Whoo! 468 00:19:24,244 --> 00:19:25,777 ...scores a direct hit, too. 469 00:19:25,779 --> 00:19:27,278 - Yeah! - Yeah! 470 00:19:27,280 --> 00:19:28,413 Nice! [ Laughs ] 471 00:19:28,415 --> 00:19:29,813 - You did it. - You got it. 472 00:19:29,815 --> 00:19:30,848 That was awesome. 473 00:19:30,850 --> 00:19:33,117 Narrator: Tory's second go. 474 00:19:33,119 --> 00:19:36,019 The salad bowl soars. 475 00:19:36,021 --> 00:19:37,054 Yeah! 476 00:19:37,056 --> 00:19:39,022 It's over. 477 00:19:39,024 --> 00:19:41,458 It's three for three in the throwing stakes. 478 00:19:41,460 --> 00:19:43,628 The myth may still be alive. 479 00:19:43,630 --> 00:19:45,998 On the benchmark tests so far, 480 00:19:46,000 --> 00:19:49,201 they've all ticked the throwability box. 481 00:19:49,203 --> 00:19:51,637 Next, it's weapons cocked and loaded 482 00:19:51,639 --> 00:19:55,708 to see if their guillotines can achieve a decent decapitation. 483 00:19:55,710 --> 00:19:58,844 This is where the metal meets the mannequin. 484 00:19:58,846 --> 00:20:01,747 Their target is a pig's neck married to a synthetic head. 485 00:20:01,749 --> 00:20:04,417 Kari: Mm, my favorite part of every show. 486 00:20:04,419 --> 00:20:06,552 It's very anatomically correct... 487 00:20:06,554 --> 00:20:07,653 Ohh! 488 00:20:07,655 --> 00:20:08,887 ...if he could just keep his head on. 489 00:20:08,889 --> 00:20:10,922 Oh, it's even more of a horror show than usual. 490 00:20:10,924 --> 00:20:14,159 Narrator: They'll each get one shot at decapitation. 491 00:20:14,161 --> 00:20:15,793 This is my flying guillotine. 492 00:20:15,795 --> 00:20:18,262 It is based on the traditional guillotine. 493 00:20:18,264 --> 00:20:20,965 Now, they've been using this sort of technology 494 00:20:20,967 --> 00:20:23,268 for hundreds of years to behead people, 495 00:20:23,270 --> 00:20:25,770 so I'm hoping with a little bit of strength 496 00:20:25,772 --> 00:20:27,138 and a little quickness, 497 00:20:27,140 --> 00:20:29,675 I might actually be able to pull a head off. 498 00:20:29,677 --> 00:20:31,243 Narrator: Without the weight or acceleration 499 00:20:31,245 --> 00:20:32,311 of a traditional guillotine... 500 00:20:32,313 --> 00:20:34,147 - Okay, you guys ready? - Yeah. 501 00:20:34,149 --> 00:20:36,716 ...hers relies on brute pulling power. 502 00:20:38,019 --> 00:20:39,019 Ohh! 503 00:20:39,021 --> 00:20:40,286 Did it work? 504 00:20:40,288 --> 00:20:43,989 It looks like it cut a little of the bone and the skin, 505 00:20:43,991 --> 00:20:45,391 but it more pulled the head off 506 00:20:45,393 --> 00:20:46,858 than really cut through the neck. 507 00:20:46,860 --> 00:20:48,293 Narrator: Tory's right. 508 00:20:48,295 --> 00:20:50,995 It was, in fact, more dislocation than decapitation. 509 00:20:50,997 --> 00:20:53,631 Kari: It cut trachea, it cut a little of the skin, 510 00:20:53,633 --> 00:20:54,966 it cut a little of the bone, 511 00:20:54,968 --> 00:20:57,701 but it did not get a clean decapitation. 512 00:20:57,703 --> 00:21:00,770 Narrator: Grant's deadly Decapitron is next. 513 00:21:00,772 --> 00:21:02,872 Mom, don't watch this part. 514 00:21:02,874 --> 00:21:06,242 This is definitely the most dangerous part of it, 515 00:21:06,244 --> 00:21:10,881 which is arming the device because it's all spring-loaded. 516 00:21:10,883 --> 00:21:12,149 If something goes wrong, 517 00:21:12,151 --> 00:21:14,217 it could actually fire all the blades off at once 518 00:21:14,219 --> 00:21:15,985 while I'm holding it. 519 00:21:15,987 --> 00:21:18,354 Narrator: With his hyperengineered Decapitron, 520 00:21:18,356 --> 00:21:21,391 Grant's design has a minor flaw. 521 00:21:21,393 --> 00:21:23,326 He has to pull vertically upward 522 00:21:23,328 --> 00:21:25,461 for his cable to release the blades. 523 00:21:25,463 --> 00:21:27,129 Gee, that thing might be more dangerous for the thrower 524 00:21:27,131 --> 00:21:28,363 than the receiver. 525 00:21:28,365 --> 00:21:31,099 And that means he needs a ladder to launch... 526 00:21:31,101 --> 00:21:33,134 Kari: Oh, that thing is insane. 527 00:21:33,136 --> 00:21:35,402 ...hardly a handy assassin's weapon. 528 00:21:35,404 --> 00:21:37,238 Grant: Ready? 529 00:21:37,240 --> 00:21:39,607 3, 2, 1. 530 00:21:41,510 --> 00:21:43,345 Now, that's a pain in the neck. 531 00:21:43,347 --> 00:21:45,714 Oh, that looked cool. 532 00:21:45,716 --> 00:21:48,717 Narrator: Despite being feared by melons across the land, 533 00:21:48,719 --> 00:21:52,688 when it comes to necks, it's only cut skin-deep. 534 00:21:52,690 --> 00:21:54,056 Not a clean decapitation. 535 00:21:54,058 --> 00:21:56,859 And that leaves just Tory's salad bowl of death 536 00:21:56,861 --> 00:21:58,528 still on the menu. 537 00:21:58,530 --> 00:22:01,898 Not only is he a kung-fu master, he is also a beekeeper. 538 00:22:01,900 --> 00:22:04,367 All right, ready to chop some heads? 539 00:22:04,369 --> 00:22:06,102 Where did you get a gong? 540 00:22:06,104 --> 00:22:08,304 We had one in the shop. 541 00:22:08,306 --> 00:22:09,906 [ Gong crashes ] Ooh! Fight! 542 00:22:09,908 --> 00:22:12,275 Tory: All right, here we go. Flying guillotine in 3, 2, 1. 543 00:22:14,178 --> 00:22:16,012 Aah! Aah! Aah! 544 00:22:16,014 --> 00:22:17,380 [ Laughing ] Ew! 545 00:22:17,382 --> 00:22:20,116 That was gruesome! 546 00:22:20,118 --> 00:22:22,651 Narrator: Gruesome, but impressive. 547 00:22:22,653 --> 00:22:24,520 God, look at that. It cut through the bone. 548 00:22:24,522 --> 00:22:26,489 Kari: And the trachea and the carotid artery 549 00:22:26,491 --> 00:22:29,625 and... wow... it did a lot more damage than I expected. 550 00:22:29,627 --> 00:22:31,127 That is promising. 551 00:22:31,129 --> 00:22:33,896 Narrator: And that means Tory's is clearly the most promising 552 00:22:33,898 --> 00:22:35,097 of the three designs. 553 00:22:35,099 --> 00:22:38,401 It's light, it's sharp, and simple enough 554 00:22:38,403 --> 00:22:41,304 that it could have been built in 1700s China. 555 00:22:43,174 --> 00:22:45,542 Narrator: Oh, and what about head retrieval, you ask? 556 00:22:45,544 --> 00:22:46,844 Simple. 557 00:22:46,846 --> 00:22:49,781 With no decapitation, there can be no retrieval. 558 00:22:49,783 --> 00:22:51,449 That one's still to be tested. 559 00:22:57,409 --> 00:23:00,277 Narrator: Part one of the C-4 cook-off myth is confirmed. 560 00:23:00,279 --> 00:23:03,614 C-4 can make a stable, reliable fuel. 561 00:23:03,616 --> 00:23:05,248 Adam: It's burning beautifully. 562 00:23:05,250 --> 00:23:07,017 So it's on to part two. 563 00:23:07,019 --> 00:23:10,286 If that flaming C-4 gets some sort of impact, 564 00:23:10,288 --> 00:23:14,157 will it lose its stability and explode to kingdom come? 565 00:23:14,159 --> 00:23:16,893 An explosion is a chemical reaction, 566 00:23:16,895 --> 00:23:20,229 and heat tends to speed up chemical reactions. 567 00:23:20,231 --> 00:23:23,366 So it makes sense that if you're burning an explosive, 568 00:23:23,368 --> 00:23:25,469 it's gonna make it more sensitive. 569 00:23:25,471 --> 00:23:28,071 So, if we happen to be cooking with C-4 570 00:23:28,073 --> 00:23:31,508 and what we're cooking with weighs, say, 7 1/2 pounds, 571 00:23:31,510 --> 00:23:35,046 and it drops on the burning C-4, you might have a problem. 572 00:23:35,048 --> 00:23:36,280 Narrator: With the heavy pot 573 00:23:36,282 --> 00:23:39,417 raised to a height of 3 feet above the C-4, 574 00:23:39,419 --> 00:23:41,386 it will stop with the force of 150 pounds. 575 00:23:41,388 --> 00:23:47,861 This is a full pot dropped on flaming C-4 in 3... 576 00:23:47,863 --> 00:23:49,295 2... 577 00:23:49,297 --> 00:23:50,263 1, go. 578 00:23:52,666 --> 00:23:53,666 [ Laughs ] 579 00:23:53,668 --> 00:23:55,067 It just put it out. 580 00:23:55,069 --> 00:23:56,802 Well, you know what they say. 581 00:23:56,804 --> 00:23:58,570 A watched pot doesn't explode? 582 00:23:58,572 --> 00:24:00,505 No, a dropped pot doesn't explode. 583 00:24:00,507 --> 00:24:02,140 Thanks for ruining my joke. 584 00:24:02,142 --> 00:24:04,309 It seems that even alight, 585 00:24:04,311 --> 00:24:07,912 the C-4 is still too stable for a seven-pound pot 586 00:24:07,914 --> 00:24:09,080 to prompt an explosion. 587 00:24:09,082 --> 00:24:10,381 Adam: Well, the myth is 588 00:24:10,383 --> 00:24:12,884 that a pot dropped on flaming C-4 will make it go off, 589 00:24:12,886 --> 00:24:15,720 and we got a perfect landing, no explosion. 590 00:24:15,722 --> 00:24:17,823 Not even... I don't even see the C-4. 591 00:24:17,825 --> 00:24:19,558 Oh, wait a second. [ Laughs ] 592 00:24:19,560 --> 00:24:21,660 There it is. No explosion at all. 593 00:24:21,662 --> 00:24:24,130 Right now, it's not looking very good for the myth. 594 00:24:25,866 --> 00:24:27,300 Well, that didn't work. What's next? 595 00:24:27,302 --> 00:24:28,702 Well, I've heard two parts to this. 596 00:24:28,704 --> 00:24:30,804 One is that you shouldn't drop a pot on the flaming C-4, 597 00:24:30,806 --> 00:24:33,974 but the other is that you shouldn't try and stamp it out. 598 00:24:33,976 --> 00:24:35,375 Stomping on burning C-4? 599 00:24:35,377 --> 00:24:37,144 Well, I'm not gonna do that. 600 00:24:37,146 --> 00:24:38,912 You can do that if you want. 601 00:24:38,914 --> 00:24:40,680 Well, thanks, but no thanks. 602 00:24:40,682 --> 00:24:43,116 I've actually worked on the perfect thing. 603 00:24:43,118 --> 00:24:45,986 Editors, roll the montage of my robot stomper build. 604 00:24:47,688 --> 00:24:49,990 Narrator: Okay, here's what Adam made earlier... 605 00:24:52,793 --> 00:24:54,194 Ow! 606 00:24:54,196 --> 00:24:56,895 Narrator: ...a pneumatically powered stomping robot. 607 00:24:58,731 --> 00:25:01,900 I think he's ready for prime time. 608 00:25:01,902 --> 00:25:04,703 Narrator: He certainly is. 609 00:25:04,705 --> 00:25:06,771 There we go. I'm powering up the man. 610 00:25:08,240 --> 00:25:10,208 [ Laughs ] Perfect. 611 00:25:10,210 --> 00:25:12,009 Narrator: Now, for the second impact test 612 00:25:12,011 --> 00:25:15,279 with Adam's robot designed to accurately replicate 613 00:25:15,281 --> 00:25:17,281 the force of a human stomp. 614 00:25:17,283 --> 00:25:21,518 Will that set off an explosion when it hits the burning C-4? 615 00:25:21,520 --> 00:25:24,521 Make it like a nice, toasty marshmallow. [ Laughs ] 616 00:25:24,523 --> 00:25:28,624 And then step two is to fire up robo-stomp. 617 00:25:28,626 --> 00:25:31,227 In 3, 2, 1... stomp! 618 00:25:32,162 --> 00:25:33,229 Ha! Perfect. 619 00:25:33,231 --> 00:25:34,997 Oh! It's on his shoe! 620 00:25:34,999 --> 00:25:39,936 Despite the impact of robo-stomp's pneumatic foot... 621 00:25:42,240 --> 00:25:46,277 ...the burning C-4 is still too stable to explode. 622 00:25:46,279 --> 00:25:47,645 Look, you don't get much more real-world 623 00:25:47,647 --> 00:25:49,681 than dropping a cooking pot 624 00:25:49,683 --> 00:25:52,517 or stomping on the burning C-4 and nothing happens. 625 00:25:52,519 --> 00:25:53,952 It's just too stable. 626 00:25:53,954 --> 00:25:57,022 Clearly, we're gonna have to go to some ridiculous lengths 627 00:25:57,024 --> 00:25:59,058 to get this stuff to blow up. 628 00:25:59,060 --> 00:26:00,693 Exactly. 629 00:26:00,695 --> 00:26:03,930 Narrator: So, did someone mention dropping a really heavy object? 630 00:26:03,932 --> 00:26:05,565 So, why the anvil? 631 00:26:05,567 --> 00:26:07,467 Well, this testing is all about determining 632 00:26:07,469 --> 00:26:09,302 how shock-sensitive C-4 is. 633 00:26:09,304 --> 00:26:11,004 When we drop this anvil, 634 00:26:11,006 --> 00:26:14,642 we're looking at something like 1,500 pounds per square inch 635 00:26:14,644 --> 00:26:16,844 being exerted on that C-4. 636 00:26:16,846 --> 00:26:18,312 And that's quite an impact. 637 00:26:18,314 --> 00:26:21,415 And if that doesn't do it, that says a lot about the myth. 638 00:26:21,417 --> 00:26:22,750 Narrator: Indeed it does 639 00:26:22,752 --> 00:26:26,387 because the anvil tops the scales at 90 pounds. 640 00:26:26,389 --> 00:26:28,089 Adam: Looks like we have ignition. 641 00:26:28,091 --> 00:26:31,926 Flaming C-4 with an anvil dropped on it in 3... 642 00:26:31,928 --> 00:26:33,160 2...1... 643 00:26:33,162 --> 00:26:34,128 Go! 644 00:26:34,930 --> 00:26:36,264 Oh! 645 00:26:36,266 --> 00:26:37,365 [ Laughs ] 646 00:26:37,367 --> 00:26:39,967 Perfect landing. Nice work. 647 00:26:39,969 --> 00:26:41,569 And no explosion. 648 00:26:41,571 --> 00:26:43,871 I don't know what's gonna blow this stuff up. 649 00:26:43,873 --> 00:26:46,506 We've burned it, we've smashed it, 650 00:26:46,508 --> 00:26:48,141 we've smashed it and burned it. 651 00:26:48,143 --> 00:26:50,477 I don't know what else to do to it. 652 00:26:50,479 --> 00:26:52,246 Let's shoot it with guns. 653 00:26:52,248 --> 00:26:53,981 Sure. Why not? [ Laughs ] 654 00:26:59,255 --> 00:27:00,422 Back from testing, 655 00:27:00,424 --> 00:27:02,957 it's clear that of the three prototypes, 656 00:27:02,959 --> 00:27:04,292 Tory's flying guillotine 657 00:27:04,294 --> 00:27:07,562 came closest to completing a decapitation. 658 00:27:07,564 --> 00:27:10,399 Halfway through the bone! That is promising! 659 00:27:10,401 --> 00:27:14,103 Narrator: But since close is not close enough to prove the myth, 660 00:27:14,105 --> 00:27:17,639 it's time to refine his design. 661 00:27:17,641 --> 00:27:20,074 Okay, so, we've left the bamboo forest 662 00:27:20,076 --> 00:27:23,477 and we're back at our... Chinese palace. 663 00:27:23,479 --> 00:27:24,845 We have one more test to do. 664 00:27:24,847 --> 00:27:26,946 We want to see if we can actually achieve 665 00:27:26,948 --> 00:27:31,050 a full decapitation... a throw, slice, capture, retrieve... 666 00:27:31,052 --> 00:27:33,887 'cause, ultimately, we want to find out if this myth is plausible. 667 00:27:33,889 --> 00:27:36,823 Narrator: Tory's prototype... the salad bowl of death... 668 00:27:36,825 --> 00:27:39,926 slices as it spins against the neck. 669 00:27:39,928 --> 00:27:42,962 Can he improve it to sever a head completely? 670 00:27:42,964 --> 00:27:44,998 One thing that I noticed on my guillotine 671 00:27:45,000 --> 00:27:47,734 is that it cut halfway through the neck bone. 672 00:27:47,736 --> 00:27:50,937 I think it's because I have a straight edge on my guillotine. 673 00:27:50,939 --> 00:27:53,106 So what I'm thinking is if I give it a saw edge, 674 00:27:53,108 --> 00:27:54,374 cut grooves in the blade, 675 00:27:54,376 --> 00:27:56,309 it'll help me cut through that bone. 676 00:27:56,311 --> 00:27:57,777 Hopefully this will give me that advantage 677 00:27:57,779 --> 00:28:00,413 to get a clean decapitation. 678 00:28:00,415 --> 00:28:02,516 Narrator: To increase the cutting power even further, 679 00:28:02,518 --> 00:28:04,951 he's also lengthened the pulling cable. 680 00:28:04,953 --> 00:28:07,621 That way, I have the guillotine spinning longer, 681 00:28:07,623 --> 00:28:10,424 and hopefully that will give me more cutting power 682 00:28:10,426 --> 00:28:11,858 to get through that neck. 683 00:28:11,860 --> 00:28:14,494 Narrator: And if they can achieve a beheading, 684 00:28:14,496 --> 00:28:18,032 the final hurdle is to see if they can retrieve the head. 685 00:28:18,034 --> 00:28:21,502 So Tory's attached a see-through net to do just that. 686 00:28:21,504 --> 00:28:22,903 All right, so I added this 687 00:28:22,905 --> 00:28:25,139 not because I want him to be a beekeeper, 688 00:28:25,141 --> 00:28:28,342 but that way I can see the head get cut off as it's happening. 689 00:28:28,344 --> 00:28:32,179 Narrator: No stranger to danger, poor, old Buster steps up one more time. 690 00:28:32,181 --> 00:28:33,280 Chin up, buddy. 691 00:28:33,282 --> 00:28:35,983 It's gonna be over before you know it. 692 00:28:35,985 --> 00:28:38,184 And they're set to test. 693 00:28:38,186 --> 00:28:39,686 All right, so, I made the adjustments 694 00:28:39,688 --> 00:28:40,753 to my guillotine. 695 00:28:40,755 --> 00:28:42,188 It's time to see if it'll cut a head off. 696 00:28:42,190 --> 00:28:44,223 Okay, we have the exact same circumstances as before. 697 00:28:44,225 --> 00:28:48,093 Yeah, we've got a same diameter neck, same distance. 698 00:28:48,095 --> 00:28:49,094 We're ready to go. 699 00:28:49,096 --> 00:28:50,529 All right. Let's do it. 700 00:28:52,732 --> 00:28:55,100 Narrator: Like a mythical, martial-arts master... 701 00:28:57,170 --> 00:28:59,472 Tory takes the head clean off. 702 00:28:59,474 --> 00:29:02,976 And it's in the bag, literally, on just the first go. 703 00:29:02,978 --> 00:29:04,344 - Ohh! - We got it! 704 00:29:04,346 --> 00:29:07,647 Look. His head's in the bag. 705 00:29:07,649 --> 00:29:09,750 It's a major achievement, 706 00:29:09,752 --> 00:29:12,018 and it means Tory's improved design 707 00:29:12,020 --> 00:29:14,354 has now met all three benchmarks 708 00:29:14,356 --> 00:29:16,022 for the flying guillotine. 709 00:29:16,024 --> 00:29:18,958 That gory success could mean only one thing. 710 00:29:18,960 --> 00:29:22,262 There really could be something to this myth. 711 00:29:22,264 --> 00:29:24,264 - You guys, that was amazing. - I know. 712 00:29:24,266 --> 00:29:27,000 Not only did we create a real flying guillotine 713 00:29:27,002 --> 00:29:28,101 from scratch, 714 00:29:28,103 --> 00:29:30,303 but we achieved all the criteria for the myth. 715 00:29:30,305 --> 00:29:31,972 Yeah, I mean, we landed it on the head, 716 00:29:31,974 --> 00:29:32,973 decapitate the guy, 717 00:29:32,975 --> 00:29:34,374 and retrieve the head in the net. 718 00:29:34,376 --> 00:29:36,510 Yeah, we proved it on a basic level 719 00:29:36,512 --> 00:29:37,878 against a static enemy, 720 00:29:37,880 --> 00:29:39,980 but I don't think anybody's gonna be holding still 721 00:29:39,982 --> 00:29:42,449 in a real, live combat situation. 722 00:29:42,451 --> 00:29:44,518 - What do you have in mind? - I have a few ideas. 723 00:29:44,520 --> 00:29:46,319 Oh, this should be interesting. 724 00:29:46,321 --> 00:29:48,654 Narrator: Coming up in "cooking with C-4"... 725 00:29:48,656 --> 00:29:50,589 Kind of makes you shaky when you're nervous. 726 00:29:51,125 --> 00:29:55,228 And Tory's flying guillotine gets put to the ultimate test. 727 00:29:55,230 --> 00:29:56,896 Kari: There's a guy behind you! 728 00:30:02,905 --> 00:30:07,710 Narrator: So far, impact has failed to get burning C-4 to explode. 729 00:30:07,712 --> 00:30:09,812 But is that all about to change? 730 00:30:09,814 --> 00:30:13,349 So, we dropped an anvil on the C-4, nothing happened. 731 00:30:13,351 --> 00:30:14,550 Blunt force doesn't work. 732 00:30:15,986 --> 00:30:18,587 The only other thing that I can think of 733 00:30:18,589 --> 00:30:21,623 that is a really hard, fast impact on something, 734 00:30:21,625 --> 00:30:24,226 short of another explosive, is a bullet. 735 00:30:24,228 --> 00:30:25,460 [ Gunshot ] 736 00:30:25,462 --> 00:30:27,229 So, that's what we're gonna do. 737 00:30:27,231 --> 00:30:30,199 We're gonna fire a speeding bullet into burning C-4. 738 00:30:30,201 --> 00:30:34,269 Narrator: Will that high impact be enough to cause an explosion? 739 00:30:34,271 --> 00:30:36,204 The first bullet we'll be firing with is... 740 00:30:36,206 --> 00:30:39,574 your basic .308 caliber sniper round. 741 00:30:39,576 --> 00:30:40,875 It's a 7.62 NATO, 742 00:30:40,877 --> 00:30:44,513 and it flies through the air at 2,600 feet per second. 743 00:30:44,515 --> 00:30:46,548 Narrator: That bullet at that speed 744 00:30:46,550 --> 00:30:49,151 will give a staggering force on the burning C-4 745 00:30:49,153 --> 00:30:51,620 of about 25,000 pounds. 746 00:30:51,622 --> 00:30:53,054 Jamie: Oh, she's going pretty good. 747 00:30:53,056 --> 00:30:55,658 All right, I am gonna fire. 748 00:30:55,660 --> 00:30:58,694 This is shooting a regular bullet 749 00:30:58,696 --> 00:31:00,929 at a flaming ball of C-4. 750 00:31:00,931 --> 00:31:01,931 [ Gunshot ] 751 00:31:03,567 --> 00:31:05,268 - Oh, I think you missed. - I missed. 752 00:31:05,270 --> 00:31:07,070 All right, let's try that again. 753 00:31:07,072 --> 00:31:09,006 Narrator: And with a few words of encouragement 754 00:31:09,008 --> 00:31:11,008 from the peanut gallery... 755 00:31:11,010 --> 00:31:12,944 You're not nervous about making the shot, are you? 756 00:31:12,946 --> 00:31:14,846 - Like, you might miss, huh? - No. 757 00:31:14,848 --> 00:31:16,614 - Not at all? - Nope. 758 00:31:16,616 --> 00:31:19,550 Kind of makes you shaky when you're nervous. 759 00:31:19,552 --> 00:31:21,719 [ Laughs ] All right, I think I'm ready to go. 760 00:31:21,721 --> 00:31:22,920 Safety's off. 761 00:31:22,922 --> 00:31:23,921 Don't miss. 762 00:31:23,923 --> 00:31:25,122 I'm not gonna miss. 763 00:31:25,124 --> 00:31:27,057 Shooting a flaming ball of C-4 764 00:31:27,059 --> 00:31:28,592 with a regular, old bullet. 765 00:31:29,561 --> 00:31:31,061 [ Gunshot ] 766 00:31:31,063 --> 00:31:32,963 Damn it. It looks like I missed it. 767 00:31:32,965 --> 00:31:36,933 So, with the score at C-4, 2, Adam, zip, 768 00:31:36,935 --> 00:31:41,271 and Jamie too gun-shy to take a shot, the guys turn to a pro. 769 00:31:41,273 --> 00:31:43,940 I'm an okay shot. Not a great shot. I'm okay. 770 00:31:43,942 --> 00:31:46,475 I missed my first shot, nicked the second. 771 00:31:46,477 --> 00:31:49,178 What we're about to do is hand over responsibility 772 00:31:49,180 --> 00:31:50,579 for the shooting in this story 773 00:31:50,581 --> 00:31:53,082 to sergeant Dan Powell, whose gun this is. 774 00:31:53,084 --> 00:31:56,618 Hopefully he'll make the shots much better than we could. 775 00:31:56,620 --> 00:31:59,755 Narrator: Sergeant "Dead Shot" Dan nails the target on his first shot. 776 00:31:59,757 --> 00:32:03,926 The burning C-4 bounces, but a big boom there ain't. 777 00:32:03,928 --> 00:32:06,662 Jamie: Well, there you have it. 778 00:32:06,664 --> 00:32:10,901 A normal bullet did not cause burning C-4 to explode. 779 00:32:10,903 --> 00:32:13,704 The next bullet we'll be firing with is this... a tracer round. 780 00:32:13,706 --> 00:32:15,605 It's got a bit of phosphorus in its base 781 00:32:15,607 --> 00:32:19,443 that allows the shooter to see the path the bullet takes. 782 00:32:19,445 --> 00:32:22,613 It also flies through the air at 2,600 feet per second. 783 00:32:22,615 --> 00:32:26,384 Narrator: A bullet striking with a force of 25,000 pounds 784 00:32:26,386 --> 00:32:28,553 plus added heat from the burning phosphorus 785 00:32:28,555 --> 00:32:31,557 means it's going to hit hard and hot. 786 00:32:31,559 --> 00:32:32,958 You may fire when ready. 787 00:32:34,127 --> 00:32:35,126 [ Gunshot ] 788 00:32:35,128 --> 00:32:36,361 Oh! [ Laughs ] 789 00:32:36,363 --> 00:32:39,998 That was a direct hit. No explosion. 790 00:32:40,000 --> 00:32:43,567 Narrator: Once again, the bullet impacts the C-4, but... 791 00:32:43,569 --> 00:32:45,636 Nothing. 792 00:32:45,638 --> 00:32:49,273 Two bullets down and still no detonation. 793 00:32:49,275 --> 00:32:52,910 The last round we'll be firing is this... an incendiary round. 794 00:32:52,912 --> 00:32:56,547 Inside is magnesium aluminum alloy and barium nitrate, 795 00:32:56,549 --> 00:32:58,883 which ignite upon extreme impact. 796 00:32:58,885 --> 00:33:01,352 You see where I'm going with this? 797 00:33:01,354 --> 00:33:03,889 Narrator: It's down to this shot. 798 00:33:03,891 --> 00:33:06,525 Can the impact of a high-explosive bullet 799 00:33:06,527 --> 00:33:08,494 finally make the difference to our burning C-4 800 00:33:08,496 --> 00:33:11,731 and make it go boom? 801 00:33:11,733 --> 00:33:12,965 All right, fire at will. 802 00:33:15,135 --> 00:33:16,235 [ Gunshot ] 803 00:33:16,237 --> 00:33:17,236 Nice! 804 00:33:17,238 --> 00:33:19,738 [ Laughs ] That was beautiful! 805 00:33:19,740 --> 00:33:23,975 Nice shot. No explosion. 806 00:33:25,077 --> 00:33:27,178 Narrator: Really? No explosion? 807 00:33:27,180 --> 00:33:29,347 Adam: I know what you're saying. 808 00:33:29,349 --> 00:33:31,482 You're saying, "wait a minute, MythBusters". 809 00:33:31,484 --> 00:33:32,850 "I see the bullet hit flaming C-4" 810 00:33:32,852 --> 00:33:34,851 "and I see what looks like an explosion". 811 00:33:34,853 --> 00:33:38,756 But it's an incendiary round. That's what it's meant to do. 812 00:33:38,758 --> 00:33:40,658 In order not to confuse you, 813 00:33:40,660 --> 00:33:43,061 we filmed this high-speed footage 814 00:33:43,063 --> 00:33:46,665 of that same type of round hitting a blank metal plate. 815 00:33:49,937 --> 00:33:51,771 I think that makes the point nicely, don't you? 816 00:33:51,773 --> 00:33:53,207 Narrator: It does. 817 00:33:53,209 --> 00:33:56,143 The explosive round may have exploded, 818 00:33:56,145 --> 00:33:58,978 but the blazing C-4 did not blow up. 819 00:33:58,980 --> 00:34:01,314 The bullets won't detonate flaming C-4. 820 00:34:01,316 --> 00:34:03,482 Nope. We got to come up with something else. 821 00:34:03,484 --> 00:34:04,650 We do. 822 00:34:06,000 --> 00:34:12,074 Everyone is intimidated by a shark. Become a Card Shark AMERICASCARDROOM.COM 823 00:34:13,192 --> 00:34:14,893 The MythBusters have proved 824 00:34:14,895 --> 00:34:16,594 their flying-guillotine design works, 825 00:34:16,596 --> 00:34:19,464 but only against a stationary victim. 826 00:34:19,466 --> 00:34:21,199 Tory: Look! Head's in the bag! 827 00:34:21,201 --> 00:34:24,769 Now they're taking it to the max by testing it in combat 828 00:34:24,771 --> 00:34:27,305 and that means against an opponent... 829 00:34:27,307 --> 00:34:30,175 a scarier, more real-life opponent 830 00:34:30,177 --> 00:34:31,477 because this time... 831 00:34:31,479 --> 00:34:32,712 He moves! 832 00:34:32,714 --> 00:34:35,081 Just like any other real-life battle scenario, 833 00:34:35,083 --> 00:34:38,684 your opponent is gonna be moving around to avoid the weapon. 834 00:34:38,686 --> 00:34:40,252 And this guy is no exception. 835 00:34:40,254 --> 00:34:43,554 He's got a mobile robotic base that we can control remotely. 836 00:34:43,556 --> 00:34:45,356 Try and hit me. Huh? Oh, oh. 837 00:34:47,258 --> 00:34:49,660 That's not the only thing we have in store for Tory. 838 00:34:50,962 --> 00:34:54,465 An assassin lurking in the shadows. 839 00:34:54,467 --> 00:34:56,933 This one's actually... 840 00:34:56,935 --> 00:35:00,304 Narrator: So Tory's up against a moving robotic enemy in front 841 00:35:00,306 --> 00:35:04,574 and a sneaky foe who can pop up any moment from behind. 842 00:35:04,576 --> 00:35:06,843 The ultimate real-world test. 843 00:35:06,845 --> 00:35:08,278 All right, now what do I need to do 844 00:35:08,280 --> 00:35:09,546 to beat this obstacle course? 845 00:35:09,548 --> 00:35:10,781 Okay, you have two minutes on the clock 846 00:35:10,783 --> 00:35:12,916 to defeat two enemies. 847 00:35:12,918 --> 00:35:14,685 You have to stay behind this line, 848 00:35:14,687 --> 00:35:16,520 and your target is gonna be moving. 849 00:35:16,522 --> 00:35:18,723 Normally there's no rules in battle, but all right. 850 00:35:18,725 --> 00:35:19,657 Let's do it. 851 00:35:21,660 --> 00:35:23,894 Narrator: Ladies and gentlemen, 852 00:35:23,896 --> 00:35:26,697 in the grand palace of emperor Yongzheng, 853 00:35:26,699 --> 00:35:29,600 known in some circles as "the M7 workshop," 854 00:35:29,602 --> 00:35:32,403 we have the famous kung-fu killer, 855 00:35:32,405 --> 00:35:37,842 the master of disaster... Tory Belleci. 856 00:35:37,844 --> 00:35:42,846 And his shadowy, evil opponent... the Fa Jin king. 857 00:35:42,848 --> 00:35:46,250 You ready? Let's do this. 858 00:35:46,252 --> 00:35:50,987 Honor and myth all hang on the next two minutes. 859 00:35:50,989 --> 00:35:57,662 Kari: Flying guillotine in 5, 4, 3, 2, 1. 860 00:35:57,664 --> 00:35:58,596 [ Bell dings ] 861 00:35:59,998 --> 00:36:01,899 Narrator: Right from the outset, 862 00:36:01,901 --> 00:36:04,101 the robo-target's proving very elusive. 863 00:36:04,103 --> 00:36:08,806 It's a far cry from the original static assassin test. 864 00:36:08,808 --> 00:36:09,807 Tory: Oh, my God. 865 00:36:09,809 --> 00:36:12,242 This is like some crazy, weird nightmare. 866 00:36:12,244 --> 00:36:14,210 Narrator: And then suddenly... 867 00:36:14,212 --> 00:36:15,578 Tory: There's a guy behind you! 868 00:36:15,580 --> 00:36:18,580 ...there's that sneaky assassin to contend with, as well. 869 00:36:18,582 --> 00:36:19,982 But he doesn't last long. 870 00:36:19,984 --> 00:36:21,583 You got him! 871 00:36:21,585 --> 00:36:24,486 He wasn't decapitated, but he was at least disarmed. 872 00:36:24,488 --> 00:36:26,854 Then it's back to the main target. 873 00:36:26,856 --> 00:36:30,524 But before you can say "guillotine", time's up. 874 00:36:30,526 --> 00:36:33,260 3, 2, 1! 875 00:36:33,262 --> 00:36:38,165 Two minutes are up without a single decapitation. 876 00:36:38,167 --> 00:36:40,334 But at least there was one knockout blow. 877 00:36:40,336 --> 00:36:42,570 It's pretty hard hitting a moving target. 878 00:36:42,572 --> 00:36:43,671 It looked hard, 879 00:36:43,673 --> 00:36:45,674 but, hey, you got the one that popped up. 880 00:36:45,676 --> 00:36:47,375 Your reaction time was great. 881 00:36:47,377 --> 00:36:48,477 Yeah, you definitely 882 00:36:48,479 --> 00:36:50,679 knocked out the assassin from the shadows. 883 00:36:51,948 --> 00:36:53,215 Tory: That was so much fun. 884 00:36:53,217 --> 00:36:55,284 I mean, this was like living out my fantasies... 885 00:36:55,286 --> 00:36:56,419 having two attackers coming at me, 886 00:36:56,421 --> 00:36:57,954 trying to take them down. 887 00:36:57,956 --> 00:37:02,091 However, trying to hit a moving target, it's almost impossible. 888 00:37:02,093 --> 00:37:04,727 Narrator: This weapon has proved plausible as an assassination device, 889 00:37:04,729 --> 00:37:08,464 but no match for a foe in pitch battle, 890 00:37:08,466 --> 00:37:12,568 so before we can sign this myth to the dusty vault of history, 891 00:37:12,570 --> 00:37:15,137 let's leave the final word to Grant. 892 00:37:15,139 --> 00:37:17,606 Despite that this guy looks like he's been defeated, 893 00:37:17,608 --> 00:37:20,743 he actually survived and not only that, he won 894 00:37:20,745 --> 00:37:23,546 because it's so difficult to deploy the flying guillotine 895 00:37:23,548 --> 00:37:26,282 in a combat situation. 896 00:37:26,284 --> 00:37:30,587 Definitely this is plausible as an assassin's weapon, 897 00:37:30,589 --> 00:37:33,090 but in combat, no way. 898 00:37:38,230 --> 00:37:39,597 Narrator: On the other side of the break, 899 00:37:39,599 --> 00:37:42,899 it's time for C-4 to sizzle, "MythBusters" style. 900 00:37:42,901 --> 00:37:46,402 There it goes... pouring right onto the C-4. 901 00:37:51,668 --> 00:37:54,804 Narrator: Adam and Jamie have gone all out 902 00:37:54,806 --> 00:37:57,073 testing the two-pronged military myth 903 00:37:57,075 --> 00:38:00,543 that burning C-4 to cook with is safe... 904 00:38:00,545 --> 00:38:01,778 Adam: It's burning beautifully. 905 00:38:01,780 --> 00:38:03,947 It's not bad, but it's not hot. 906 00:38:03,949 --> 00:38:06,583 ...so long as you don't bash it while it's alight. 907 00:38:06,585 --> 00:38:08,418 To test that, 908 00:38:08,420 --> 00:38:11,588 - they tried dropping heavy objects on it... - Oh! 909 00:38:11,590 --> 00:38:14,091 ...they tried shooting it with high-impact bullets... 910 00:38:14,859 --> 00:38:16,193 Jamie: Nice! 911 00:38:16,195 --> 00:38:18,228 Nice shot. No explosion. 912 00:38:18,230 --> 00:38:22,265 ...but nothing's detonated the burning C-4. 913 00:38:23,501 --> 00:38:26,669 So in a last-ditch attempt to cause it to explode, 914 00:38:26,671 --> 00:38:28,938 they're ramping it up to the max. 915 00:38:28,940 --> 00:38:30,473 Time to mix some thermite. 916 00:38:32,277 --> 00:38:35,880 Narrator: Thermite... that high-intensity, extreme-heat material 917 00:38:35,882 --> 00:38:38,983 that can cause explosive reactions. 918 00:38:38,985 --> 00:38:40,784 Adam: Wow! 919 00:38:40,786 --> 00:38:44,721 If anything's gonna super-heat the molecules in C-4 920 00:38:44,723 --> 00:38:47,990 enough to set it off, then it's thermite. 921 00:38:47,992 --> 00:38:50,359 Thermite is a mixture of two different metal powders. 922 00:38:50,361 --> 00:38:52,861 One is the fuel, the other is the oxidizer. 923 00:38:52,863 --> 00:38:56,264 Usually, that would be aluminum and iron oxide. 924 00:38:56,266 --> 00:38:59,233 Now, when they're mixed together and ignited, 925 00:38:59,235 --> 00:39:01,269 they burn with extremely high temperatures... 926 00:39:01,271 --> 00:39:04,071 about 4,500 degrees Fahrenheit. 927 00:39:04,073 --> 00:39:05,906 Narrator: They've proved that C-4 928 00:39:05,908 --> 00:39:09,644 burning at just over 1,000 degrees won't explode, 929 00:39:09,646 --> 00:39:12,814 but what about at 4,500 degrees? 930 00:39:12,816 --> 00:39:15,850 Here's how our rig is going to theoretically work. 931 00:39:15,852 --> 00:39:18,019 Up on the stand, I've got a massive flower pot 932 00:39:18,021 --> 00:39:20,088 filled with about three gallons of thermite. 933 00:39:20,090 --> 00:39:22,057 It will be ignited by a neon transformer... 934 00:39:22,059 --> 00:39:23,792 the wires of which are right here. 935 00:39:23,794 --> 00:39:25,961 Once ignited, that thermite will start to burn 936 00:39:25,963 --> 00:39:27,162 and it will start to drip. 937 00:39:27,164 --> 00:39:28,464 Where you ask? 938 00:39:28,466 --> 00:39:30,933 Well, through the bottom of this flower pot, of course. 939 00:39:30,935 --> 00:39:32,869 The molten thermite will drip through the bottom of this flower pot, 940 00:39:32,871 --> 00:39:34,471 right onto our C-4. 941 00:39:34,473 --> 00:39:35,638 We, of course, 942 00:39:35,640 --> 00:39:38,275 will be waiting safely behind the blast panels 943 00:39:38,277 --> 00:39:41,878 to see if the thermite makes the C-4 go boom. 944 00:39:44,515 --> 00:39:45,648 Give me the C-4. 945 00:39:45,650 --> 00:39:47,883 There we... ooh, ooh, ooh. 946 00:39:47,885 --> 00:39:49,885 - Don't drop it. - I won't. [ Laughs ] 947 00:39:49,887 --> 00:39:51,119 Here we go. 948 00:39:51,121 --> 00:39:52,387 Narrator: So it'll be thermite 949 00:39:52,389 --> 00:39:55,791 burning at a super-hot 4,500 degrees 950 00:39:55,793 --> 00:39:59,661 pouring directly on to the C-4 beneath it. 951 00:39:59,663 --> 00:40:01,329 Call it whenever you're ready. 952 00:40:01,331 --> 00:40:04,599 Okay, molten thermite dripping on to C-4. 953 00:40:04,601 --> 00:40:07,569 In 3, 2, 1, go! 954 00:40:09,205 --> 00:40:11,873 Oh, it's lighting beautifully. 955 00:40:11,875 --> 00:40:15,911 At 4,500 degrees, thermite burns with blinding intensity. 956 00:40:15,913 --> 00:40:18,913 There it goes... pouring right onto the C-4. 957 00:40:18,915 --> 00:40:21,082 It's a perfect hit. 958 00:40:21,084 --> 00:40:24,218 It's just behaving exactly like we wanted. 959 00:40:24,220 --> 00:40:27,220 Narrator: In spite of the extreme heat, there's no boom. 960 00:40:27,222 --> 00:40:29,356 I can't think of anything else. 961 00:40:29,358 --> 00:40:32,425 It's like you're not setting off C-4 by accident. 962 00:40:32,427 --> 00:40:33,692 That's all there is to it. 963 00:40:33,694 --> 00:40:35,194 I think that's all there is to it. 964 00:40:35,196 --> 00:40:37,062 I think we've really done everything we can. 965 00:40:37,064 --> 00:40:39,131 Pretty much. [ Laughs ] 966 00:40:39,133 --> 00:40:43,036 Even when subjected to 4,500 degrees of pure heat, 967 00:40:43,038 --> 00:40:45,605 the C-4 keeps its cool. 968 00:40:45,607 --> 00:40:47,841 So, after all this testing, 969 00:40:47,843 --> 00:40:52,146 what exactly will make C-4 go boom? 970 00:40:52,148 --> 00:40:55,083 Well, the explosive in C-4 is RDX, 971 00:40:55,085 --> 00:40:58,721 and you need a blasting cap to set off RDX. 972 00:40:58,723 --> 00:41:00,923 The mercury fulminate in a blasting cap 973 00:41:00,925 --> 00:41:03,493 moves really fast when it goes off. 974 00:41:03,495 --> 00:41:06,530 It's something like 100,000 feet per second. 975 00:41:06,532 --> 00:41:11,468 That's over Mach 100, which is really, really fast. 976 00:41:11,470 --> 00:41:14,738 And we just can't achieve those kinds of speeds 977 00:41:14,740 --> 00:41:17,507 with anything short of a blasting cap. 978 00:41:17,509 --> 00:41:19,509 C-4 was designed specifically 979 00:41:19,511 --> 00:41:22,980 to be a high explosive that was incredibly stable. 980 00:41:22,982 --> 00:41:24,281 And I got to give it up. 981 00:41:24,283 --> 00:41:26,750 It is more stable than I ever thought possible. 982 00:41:26,752 --> 00:41:29,787 Narrator: So with the C-4 scientific certainty sewn up, 983 00:41:29,789 --> 00:41:31,589 there's just one thing left to do. 984 00:41:31,591 --> 00:41:32,990 Adam: Shall we call this? 985 00:41:32,992 --> 00:41:34,258 I think it's time. 986 00:41:34,260 --> 00:41:35,426 All right. 987 00:41:35,428 --> 00:41:37,862 On the first count that C-4 can be ignited 988 00:41:37,864 --> 00:41:40,399 and heat your lunch, how do you find? 989 00:41:40,401 --> 00:41:42,233 I find that confirmed. 990 00:41:42,235 --> 00:41:45,203 On the second count that said flaming C-4 991 00:41:45,205 --> 00:41:47,705 should not be trod upon or dropped upon, 992 00:41:47,707 --> 00:41:49,074 how do you find? 993 00:41:49,076 --> 00:41:50,609 I find that busted. 994 00:41:50,611 --> 00:41:51,877 I love it. 995 00:41:51,879 --> 00:41:53,812 It's both busted and confirmed at the same time. 996 00:41:53,814 --> 00:41:55,815 - Let's go back to the shop. - Okay. 997 00:41:55,817 --> 00:41:58,450 You know, in spite of the evidence, 998 00:41:58,452 --> 00:42:01,187 I just wouldn't stomp on that stuff. 999 00:42:01,189 --> 00:42:02,755 No. Neither would I. 1000 00:42:02,780 --> 00:42:04,780 Sync and corrected by atrn97g www.addic7ed.com 1001 00:42:05,305 --> 00:42:11,878 Support us and become VIP member to remove all ads from OpenSubtitles.org