This one is a bit tricky. I have made a complete instructable but it's in French.
It's inspired by http://www.popsci.com/lightspikes

But I guess the video is good enough to understand all the steps (I hope).

I'll try to do an instructable for all my videos, in English asap.

Thanks for watching !

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More by brigadeneurale:DIY #8 : Light Spray Graffiti - A Light Graffiti Tool DIY #6 Belt Mixtape - A Tape Belt Buckle DIY #5 Massive Drawer Bot - A new kind of Artbot 
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