A Moment of Science
Gunshots for science? 17th century scientist first attempts to measure the speed of sound.
How many times have you heard a jet plane going over but not been able to find it even though you were looking toward where the sound was coming from?
Remarkably, when someone cracks a whip they actually make the tip of the whip move faster than the speed of sound. The crack is actually a miniature sonic boom.
What does air actually consist of? Find out on this Moment of Science.
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