This dangerous, yet beautifully mesmerizing, little device is called the Pyro Board-a table top full of flammable gas that makes flame patterns in a reaction to soundwaves that are directed at the board via loudspeaker.
The video is excruciating to listen to, but the concept is deadly cool. What a delightful way to burn down your house!
--via Geekologie
FANTASTIC luved every second of this demo...
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OSHA approved
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The sound selection gets better about halfway through.
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