October 23, 2017 AT 2:00 am
A Hand Crafted Bell Made From a Modified Piece of Steel Pipe That Rings Two Notes at Once
project video from engineer Matthias Wandel, via laughingsquid.
Explaining how a bell goes ring-gin-gin-gin (with the sound going up and down as the bell rings out). The key is multiple modes of vibration.
Expanding on this, I experimented with making a bell that sounds two distinct notes, forming roughly a major third.
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