A Moment of Science
Stand in front of a picket fence, clap your hands, and listen to the musical quality of the reverberation.
We've all heard the creaking sound of snow in winter. Did you know there is science behind the sound?
Forget cell phones! Tin can telephones are the way to go. Learn how they work and how to build your own!
Recent studies have shown that people with musical training are better at picking out emotional cues in sound than people without the same musical background.
Cowboys in Western movies sometimes puts their ear to the ground to listen for a stampede or wagon train. Elephants can also communicate by hearing vibrations.
Termites have been known to produce thumping or rattling sounds in their subterranean homes.
Have you ever wondered how simple megaphones like cupping your hands around your mouth amplify your voice so well?
Hollywood portrays assassins with silencers on guns and they merely slip out into the night. Do these silencers really work??
Researchers placed tiny microphones inside a pregnant woman's uterus and found that outside noises are much lower and muffled; about thirty decibels quieter!
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.
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