httpv://www.youtube.com/watch?v=i_0DXxNeaQ0
‘Recreational mathemusician’ Vi Hart applies her charming, rambling, doodly talents to the science of sound, since you asked.
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httpv://www.youtube.com/watch?v=i_0DXxNeaQ0
‘Recreational mathemusician’ Vi Hart applies her charming, rambling, doodly talents to the science of sound, since you asked.