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Victor: Braking fluid? That won't burn fast enough to do anything!

Michael: (taping bottles together and tossing them out a car window) It will, if it's mixed with chlorine dioxide, and some other stuff.
Burn Notice, "Lesser Evil"
"This ingredient is made of blur. Hah.... And this has blur in it too. Blur is very dangerous. You don't want to mix blur with blur."
Adam, Myth Busters

As long as there are books, movies, television, and video games, people will always try to recreate everything in their favorite work.

Unfortunately, many works contain explosives, including homemade varieties. Even if the viewer could be trusted to recreate those without blowing themselves up, society is highly against people using homemade explosives. (We've had some bad experiences.) High-profile media, after a certain date, must respect this or gain the wrath of Moral Guardians or worse.

So, to avoid liability issues and criminal charges (in case someone tries to make the explosive), some critical ingredient for the explosive is removed, replaced (with something less volatile) or referred to vaguely (as "stuff", "my secret ingredient", or similar) to prevent disasters like Your Head Asplode or Apocalypse How.

A rare instance where explosions are not better.

Occasionally happens with other types of weapons of mass destruction.

Speculative Fiction will usually make the "other stuff" Unobtanium. See also Don't Try This At Home.

Compare Secret Ingredient, which is about being tasty rather than explosive. Contrast Noodle Implements, where you know exactly what's going to be used, and absolutely nothing about how.

Examples of And Some Other Stuff include:

Anime and Manga

  • An episode of Pani Poni Dash! include a bomb, which two of the schoolgirls set to disarming. They list up the components as they do, except they're all censored by a Sound Effect Bleep. The translation notes snarkily mention that while they could list the components, "no way are we going to teach a bunch of Otaku to make bombs. You'll have to look this stuff up on the internet like everybody else."

Comic Books

  • Parodied in strip during the Last Laugh Crisis Crossover in The DCU. The strip had The Joker explaining how to make his lethal Joker venom but censored out the names of various ingredients but left in comments like "You'll need to go to the hardware store for that". The joke, of course, being that you couldn't make the entirely fictitious Joker venom even if you did know what it contained.
  • In an issue of G.I. Joe: Special Missions, Lightfoot explains how how he is MacGyvering a fuel-air explosive out of supplies found in an enemy bunker. However, the panels have censor boxes placed over them so the reader cannot see what he is actually doing.


  • Fight Club's soap to plastic explosives description gave a cute Mr. Wizard convention an anarchist application that probably turned explosive descriptions from edu-tainment to public hazard. Chuck Palahniuk gives more details in the books, neatly extracted here [1], including the doubtful Diet Coke + orange juice + cat litter = napalm recipe.
    • Palahniuk said that he sat down with a chemist friend of his, was shown correct recipes and then changed them so they wouldn't work.
  • In the film Tremors, regarding the pipe bombs made by the Crazy Survivalist;

 "What the hell's in those things, Burt?"

"A few household chemicals in the proper proportions."

  • The drugs that Zeke makes in The Faculty are made from "caffeine pills and some other household shit." The Other Stuff in this case is likely NaCl and dehydrated Placebo according to how the drugs affect the aliens, unless it's a case of Bizarre Alien Biology.
  • Hollow Man has the Invisible Man creating nitroglycerin in the matter of five minutes or so (when it's such a volatile liquid you have to measure both temperature and quantities so the nitro doesn't explode while you're mixing it). And the movie doesn't show nitric acid among the substances he gets for the nitro (the bold there was an indicative to how crucial it is).
  • In The Terminator's 'verse, apparently you can make plastic explosive from moth balls, corn syrup and ammonia.
  • In the first act of Willy Wonka and The Chocolate Factory, Charlie assists his teacher Mr. Turkentein in making "the finest wart remover in the world" using "nitric acid, glycerin, and a special mixture of my own." It blows up.
    • This is actually a subversion. You don't need any other "special mixture"- nitric acid and glycerin react to make, well, nitroglycerin. The hard part is preventing it from exploding immediately, which he clearly did not manage.
  • In Superman III, a supercomputer determines the exact ingredients of kryptonite -- except that one of the ingredients is categorized as "unknown." So Gus Gorman substitutes cigarette tar. This substitution results in what is, effectively, red kryptonite!


  • In Peter Pan, the explanation that the children need to be sprinkled with "fairy dust" in order to fly was added by Barrie so that children would not jump out of windows thinking that they could fly if they believe they could.
  • Averted to hell and back (especially if things go wrong!) in Anarchist Cookbook.
  • In the afterword to Tom Clancy's The Sum of All Fears (book, not movie), Clancy admits to fudging some details of the workings and construction of nuclear weapons, in an effort to not help anyone with unkind intentions involving nukes (though he also acknowledges, if somewhat cynically, it probably won't actually stop anything).
    • The author of The Salvation War did the same thing, and when one of his readers pointed out the error, he said it was standard procedure.
  • It's not explosive, but it is dangerous: "moon tea" in A Song of Ice and Fire is based on natural abortifacients such as tasny and pennyroyal, which were historically used, but produced nasty side effects at best and would straight-up kill a woman if the mixture was even slightly off. George R R Martin "added a few fantasy touches" because he didn't want anybody trying this at home. In-universe, using moon tea is a last resort, and Hoster Tully's use of it to end Lysa's premarital pregnancy is subtly implied to be responsible for her lifelong fertility problems.
  • Similarly, Diana Gabaldon's Outlander series is factually based but vague about abortifacents and penicillin, lest those playing along at home want to try, while perfectly candid about other medical subjects.
  • Some have argued that the infamous The Poor Man's James Bond by Kurt Saxon falls under this category, as it consists of badly photocopied and inaccurate pages about how to make your own explosives and other home-made devices of mayhem.
  • In-universe example: Frankenstein refuses to explain how he made the monster, for fear that somebody would imitate him.
  • Michael Crichton's book A Case of Need had a note indicating that the relatively simple synthesis of LSD from lysergic acid had been removed due to legal concerns.
  • Discworld: "It's made of apples. Well, mainly apples." The substance in question? Scumble.
  • Poked fun at in L. Frank Baum's The Magic of Oz, in which one of the characters figures out how to pronounce the mysterious magical word, "pyrzqxgl". The narrator observes that he wouldn't dare write down the proper way to pronounce this word, lest it fall into the wrong hands, and advices the reader not to try to pronounce "pyrzqxgl" the right way, for fear of accidents.

Live Action TV

  • Burn Notice has main character Michael blur out unpleasant precision with the Trope Namer.
    • Interestingly, the show averts or ignores this trope for the most part. In fact, the commentary for the episode "Lesser Evil", containing the trope naming line, says the line was only added because the explosion was too big for the stated ingredient to produce, and not to prevent others from duplicating the explosive.
    • For a straight example, there was the time in "Family Business" when Fiona made homemade explosives that looked and acted like C-4 using "spackle, petroleum jelly, and a bunch of other things I don't even wanna know about."
  • Back in The Eighties, MacGyver himself was omitting steps for his explosive solutions.
  • The Blue Heelers episode "Kicking Over the Traces" refers to an online guide to, essentially, being a terrorist, from guides to bombs and how to make weapons to how to be the giggest anarchist you possibly can. PJ doesn't call it by its real name, instead he calls it the Anarchist's Handbook. Several times (such as when Tahni and Ryan torch Tom's car) it's described how it was done...with omissions.
  • Myth Busters omits bits of information concerning the exact chemical explosives they're using for various experiments.
    • Lampshaded when Adam held up a pair of chemical bottles with the names blurred out.

  Adam: This ingredient is made of blur. Hah.... And this has blur in it too. Blur is very dangerous. You don't want to mix blur with blur.

      • As the man says, kids, never mix blur with blur.
      • Or at least add blur to blur, not blur to blur.
    • They also did this for a non-explosive myth, where they managed to create facsimiles of fingerprints which would pass biometric scanners based on a copy of an actual print lifted off a 2D surface.
    • There was an episode involving thermite. The formula itself wasn't censored, but rather the formula for the most effective ignition fuel.
      • Somewhat strangely, that episode revealed information for making thermite that had been left out of an earlier episode involving a thermite myth.
    • When they tested Kirk's improvised cannon, an important step was left out when they made their black powder. Of course, that same step was left out of the original Star Trek episode, so one could argue they were just being authentic.
    • They also omit critical steps when demonstrating activities such as lockpicking and other theft-oriented skills.
    • In an "evening with adam and jamie" in NC, they revealed that one of two episodes they outright refused to do involved a myth of an explosive mix of such common, easy to accesses materials with such destructive results, that they locked up all of the footage and swore never to go into much detail again. Even getting the above lttile info took many people's contiuned nagging.
  • Breaking Bad has frequent references to equipment, ingredients and various techniques for cooking methamphetamine (as well as other dangerous chemicals, like highly explosive mercury fulminate and what appears to be thermite)... but seemingly never reveals a whole working "recipe" at once.
    • At once? This is one series that is gonna have a short run on its complete series box set.
  • In an episode of Parks and Recreation, corrupt candy manufacturer Sweetums introduces their NutriYum bars. The ad explains how "healthy" the bars are with the line, "We start with a hundred percent all-natural corn, then we add just a little bit of Sweetums' corn syrup, a little drop of sunshine, and some other stuff."


  • This music video by Wintergreen, directed by Keith Schofield. No, it won't work, and may get you killed. Not that regular meth use won't...
  • Parodied as a Shout-Out in Lady Gaga's video for "Telephone", where a poison recipe requires the use of Tiberium, Meta-cyanide, and Fex-M3.
  • Leslie Fish's Black Powder and Alcohol is a survivalist song about how to make, well, what it says. The details are probably too vague to be helpful, but she is honestly trying.

Western Animation

  • In Sit Down, Shut Up, the dub translator for The Unintelligible wacky foreign janitor refused to incriminate himself by directly translating the instructions for how to make meth when the school's mathmeth lab got its own semi-out-of-universe cooking show.
  • South Park did an episode about drugs where, instead of using real drugs, the drug-of-choice was having a cat pee in your face. One wonders if anyone in the real world attempted to use this technique, with hilarious failure. (Though it should be noted there are other episodes where they just use real drugs)
    • This is more a parody, where the sensibility of doing drugs is called into question by replacing it with something ridiculous; really, the preferred method of most parodies.
    • Actually, Trey and Matt were making fun of the recent panic over kids trying to get high on things that wouldn't be considered obviously dangerous (like cough syrup or aerosol spray). In this case, they used cat urine.
  • In one episode of King of the Hill, Bobby gets a Love Interest who tricks him into building a meth lab for his science fair project. Averted in this case because all of the ingredients are explicitly shown, though the procedure is different than real meth preparation.

Web Original

  • The Doctor from Doctor Who: Scream of the Shalka makes a bomb out of a trash-can filled with fertilizer, newspaper and..."a little something" white and powdery from a bag in his pocket. The most likely candidate is probably aluminum powder, but it's hard to say.

Real Life

  • In Louisville, Kentucky, they put up huge billboards indicating ingredients used to make methamphetamine. One of which was lithium rechargeable batteries. The billboards say something along the lines of "They use this to make meth. Report suspicious activity to the LMPD (Louisville Metro Police Department) immediately."
  • Somewhat averted for the most part in Real Life. Many people that have bomb making experience don't mind telling you the ingredients. What they generally won't explain is how to do it safely, or how to build a detonator.
  • The publishers of the Warhammer 40K games also produce a range of Imperial Forces manuals and the like for hard core fans. When they designed a manual for commandos in enemy territory, with totally straight chapters on how to break into secure sites, sabotage communications and the like, the US office had hysterics and the project was killed.
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