Mini Gun Madness

[youtube http://www.youtube.com/watch?v=pWLpbG9tjfk?wmode=opaque&w=560&h=315] The basic construction is relatively simple, with a standard 1/2 inch copper pipe serving as the main support for lightweight tubes (barrels) that spin and emit light when they pass in front of a high intensity LED source. A cheap cordless drill — something from Harbor Freight, for... Read more »

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