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Friday, 13 October 2017
Engineer Looks Into Why A Bell's Ringing Oscillates Up And Down
Engineer Looks Into Why A Bell's Ringing Oscillates Up And Down
Why does the sound of a bell alternate between loud and quiet instead of fading away?
October 14, 2017 at 02:57AM
via Digg http://ift.tt/2xDOizP
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