This will teach you how to build a functioning rail gun, a gun that can fire metal projectiles between two electrically charged rails using electromagnetism.Materials needed:2 steel or aluminum metal rails2 plexi glass sheets6 nuts and 6 bolts1 drillcopper wire6 capacitors10 9 volt batteriesvoltmete...By: cferris44
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from Instructables: exploring - technology - robots http://ift.tt/1KefdBS
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