Water Guns
K4GPB writes: "Animated article shows inner workings of water pump guns capable of shooting 50 feet. In 1982, a nuclear scientist named Lonnie Johnson came up with an ingenious solution...In the late '90s, a new wave of Super Soaker guns came out that boasted higher pressure levels." Super soakers make great cat behavior-correction devices too.
When I was in junior high school, my friend tried this..they ended up with 2nd degree burns on one hand and 1st degree on the other hand and arm.
Does anybody know what happens if you fill a supersoaker with gas, and light the gas as it sprays out? Instant flamethrower?
2 words: Darwin Award.
Ever wondered why power poles have 3 lines?
Or how silencers work?
How to pick locks?
How lightsaber effects work (with links to how to make your own!)
I could spend hours there.
main(c,r){for(r=32;r;) printf(++c>31?c=!r--,"\n":c<r?" ":~c&r?" `":" #");}