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Today’s Cool Video

I really like the music in this video by Graffiti Researd Lab showing LED Throwies. Well composed!

A Throwie consists of a lithium battery, a 10mm diffused LED and a rare-earth magnet taped together.

From the Make:Blog comments. One commenter questions the environmental impact:

what do you think the ecological impact of peppering the landscape with a handful of lithium batteries is?

And another bemoans the waste of good electronics:

It seems a shame to have the still good magnet and still good LED slaved to a dead battery halfway up a wall.

Source [Instructions to make your own]

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