Source: Wikimedia Commons.
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|current||14:19, March 16, 2006||640 × 480 (55 KB)||Angela||Interior of a dyno torch (by squeezing it, a magnet starts spinning and thus generates electricity in a wire coil; pretty much like a bike dynamo) - taken with Nikon Coolpix 950 by [http://commons.wikimedia.org/wiki/User:Bios Bios]. Source: [http://c|