fire stories

 
DARPA's (Defense Advanced Research Projects Agency) sonic fire extinguisher is not at all what you'd expect. It is designed to fight small flames in contained areas like plane cockpits with sound.
 
We've seen our fair share of Rube Goldberg machines, and the reason we like them so much is for the hundreds of little gizmos and motions used to accomplish something pretty simple. This one isn't even new — the video was posted in 2009 — but it's going around again and won us over by being powered largely by fire.
 
Science may be able to explain many things about how our world works, but communicating such things in a way that can be understood by 11 year olds (or the rest of us) is not easy to do. Take a flame, for example: just what the heck is going on there? This video, winner of Alan Alda's Flame Challenge, explains it in an easy and fun way.
 
There're plenty of ways to warm up for a football game. Hanging out in the back of a pickup and drinking beer, for one. Or, hey, roll out a grill! Lance Greathouse? Well, lets just say what he likes to do includes all of that, as well as a powerful sound system, LCD displays and a fire-vomiting smokestack.

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