7 Deadly Weapons You Should Never Ever Make Out of Harmless Household Items

I spell a mess about high-strung , semi - dangerous scientific project . So , I get a lot of suggestion from people who desire to divvy up their own ideas for speculative menage projects . I like the lector date , but four times out of five , the ideas are speechless , and borderline deadly . take heed to me : if it imply a pipe , match heads , and gas , I vouch you , it ’s a bad idea .

Some idea show more creativity than others . A lot involve diabolical reuses for unsubdivided household items . Here are seven such suggestions — oh , and by the way , do n’t ever make any of them .

1. Squirt Gun Flamethrower

I ca n’t begin to tell you how grave this is . But it comes up a lot . The idea is to take a Super Soaker , fill it with gamey - octane gasoline , tape a wire hanger off the gun muzzle , videotape a lit Zippo to the far closing of the telegram hanger , and voila — clamant flamethrower . Do not do it .

This is play with fervour in a unsound way . The flame will plausibly travel backwards , igniting the gasoline in the source . Any “ project ” involve gas that ’s not in a vehicle ’s natural gas tank is fabulously dangerous — roughly on equality with messing around with spent plutonium or petri dishes full of the Ebola virus .

2. Pie Pan Odd Job Hat

Oddjob , one of the bad guys in the James Bond picture , Goldfinger , wore a hat lined with a hardened steel razor disk in the lip . He used it it as a lethal fly Frisbee . You could make your own — just write out an aluminum pie pan into a doughnut shape with sharpen border , and glue it onto the rim of your derby . It might not be as aerodynamically unchanging and far - flying as Oddjob ’s original , but it still middling much guarantee a situation that ends badly for everyone necessitate .

3. The Bleach Bomb

This is a great project if , for some cause , you recall you ’d like to make a swarm of poison gasoline to flux your lungs . What ’s in bleaching agent ? Sodium hypochlorite . What ’s in waste pipe cleaner ? Hydrochloric battery-acid . When you flux bleach and an acid - containing drain cleaner , a ad-lib chemical substance reaction take place :

NaClO + 2 HCl → Cl2 + H2O + NaCl

The response produces venomous chlorine throttle and likely leaves unreacted hydrochloric acid as well . Chlorine gas pedal , even modest amounts of it , is regretful material . As WWI graphically demonstrated , it attacks the membranes in your eyes , throat , and olfactory organ , and keep up exposure can cause death by asphyxiation . And hydrochloric pane ? Well , that combust just about everything .

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4. Etch-A-Sketch Thermite

In high school interpersonal chemistry , you in all likelihood read about exothermic reaction . That ’s when two chemicals aggregate to produce byproducts of heat and visible light .

Not many chemical processes are as gloriously , vigorously , and robustly heat-releasing as the thermite reaction . Take powdery aluminum ( say from the interior of an Etch - a - Sketch ) and rusted iron ( say from a well - weathered steel wool pad ) in just the right proportions and ignite with a sparkler . The chemical reaction that ensues is hot enough to burn through dirt .

5. Styrofoam Napalm

Real Vietnam War - era napalm was made by mixing of benzene , gasoline , and polystyrene . The stuff was a hellish miscellanea that clung to surfaces while it burned , and it was much inextinguishable . It ’s hard to imagine a logical civilian use for the clobber . ( Hell , it ’s concentrated to conceive of a legitimate military use , for that matter . )

It ’s potential to arrive up with something pretty darn close to the vintage napalm by simply dunking Styrofoam in a pail of gasolene , mixing it around for a while and appropriate the leftover muck . Once that goo is lit , good luck assay to put it out .

6. Spaghetti-Powered Thermic Lance

Okay , this is really middling cool , but still , it ’s hard for me to urge that anybody in reality do this . In industrial form , thermic lances are iron or steel pipework occupy with thinner iron and aluminum rods , bathed in pressurized atomic number 8 . In an oxygen - rich environment , the iron and Al can actually be ignite , producing a free burning high - temperature flame .

You ’ve seen thermic lances in picture show — when bank robbers cut through 9 inches of steel to break into a bank vault , they will attach one end of the fishgig to an oxygen storage tank , and light the pole with an galvanic arc . The result reaction burn hot enough to run concrete .

you may make your own , though , using uncooked spaghetti to replace the iron and atomic number 13 , and a little length of 3/4 - column inch pipage for the housing . you may connect the sealed pipe to a tin of oxygen , which costs about 10 one dollar bill at Home Depot . The spagetti - powered fizgig works like the industrial one : the oxygen - rich environment inside the pipe give up the usually dumb burn up pasta to burn like crazy , producing a high - temperature , industrious flame .

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7. Flesh-burning Maglite Laser

Myriad YouTube videos show how to make a retina - melting , flesh - burn down portable optical maser from a throw away DVD burner and Maglite torch . If you withdraw the laser junction rectifier from the burner , then swap it out for the bulb of the Maglite , you essentially change state the flashlight into a handheld , intensely concentrated laser . It takes some soldering skills , but you wind up with a creature that there are just so many reason you should n’t own .

William Gurstelle , aka@wmgurst , is the generator of Absinthe and Flamethrowers , The Practical Pyromaniac , and he impart to Make and Popular Mechanics magazines . The 2d version of his book , Backyard Ballistics , come out today !

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