DIY functional Sonic Screwdriver

Last Halloween my oldest son Colin dressed up as the Doctor from Doctor Who and I cobbled together a Sonic Screwdriver for him from bits of junk I scrounged up in the garage. Upon seeing the Sonic Screwdriver my youngest son Sam decided he absolutely had to have one. Sam however declared that his sc...

By: Honus



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from Instructables: exploring - technology http://ift.tt/1F3Tds1