The Solar-Panel Pendant

A while back, I wrote this instructable, detailing how to build a wearable solar panel, in case of emergency. Someone commented, "You are going to need a fist full of these rings to power anything besides a headache. It's a concept that would be sensible if solar cells had a marginally larger effic...

By: funtogether



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