個人用火箭推進器

Posted by tpalice on Dec 16, 2007 in 蒐集癖 |
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[youtube]http://tw.youtube.com/watch?v=84PBcegPH1M[/youtube]

YouTube - WIRED SCIENCE | Where’s My Rocketbelt? | PBS

冬天下雪的時候飛，應該會被凍斃吧。 :p

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