Tag: sound waves
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Watch styrofoam dancing to sound waves in a Kundt’s tube
Put your hands in the air and wave them like you just don’t care. What looks like a dubstep rave of little ghost people is actually styrofoam dancing to sound waves in a massive plexiglass pipe known as a Kundt’s tube. In 1866 German physicist August Kundt constructed the experimental acoustical apparatus to measure the speed of sound in…