/diy/ - Do It Yourself

GravityLight Anonymous Fri Jan 18 20:38:28 2013 No.376550 [View]
File: 43 KB, 550x342, Gravity-Light-self-powered-light_1.jpg [View same] [iqdb] [saucenao] [google]

>just heard about this on "Science Friday"

http://vimeo.com/53588182

So, how can we make this ourselves? Seems simple enough. LED + joule thief + well-geared generator/DC PM motor + a dropped weight = gravity powered lamp?

http://sciencefriday.com/audio/index.html

Seems they got their funding money (they asked for $55,000 and got $399,590 lol)

Something tells me I have all the parts in my house to make a few of these.

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/diy/ - Do It Yourself

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