The tip of a bullwhip moves so fast that it breaks the sound barrier. The crack of the whip is actually a tiny sonic boom.

The reason why bubbles are round is because this is the most efficient shape that the soap film can take for the amount of air trapped inside.

The noise that is thunder is created when the air around lightning gets rapidly heated and expands at a rate faster than the speed of sound.

A M A Z I N G   F A C T S

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