This is a simple demo to help visualise the effect of resonance, but it also makes a nice alternative Christmas decoration. It has three different length pairs of vertical rods with weighted baubles on the top and when you pull one rod only its partner will move. The Bloodhound SSC quote below expl...By: simonhaydn
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from Instructables: exploring - technology - robots http://ift.tt/1zd1zhu
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