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Physics Overview: Waves

Sound Waves

Videos to Watch

Each kind of light has a unique wavelength, but human eyes can only perceive a tiny slice of the full spectrum -- the very narrow range from red to violet. Microwaves, radio waves, x-rays and more are hiding, invisible, just beyond our perception. Lucianne Walkowicz shows us the waves we can't see. See the complete lesson at TED-Ed

Waves: Movers of Energy