What types of waves cannot travel through a vacuum?

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Lucille J

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Lucille J asked the Naked Scientists:
   
Which one of the following waves cannot travel through a vacuum:  sound waves, radio waves, light waves, x-rays

What do you think?
« Last Edit: 23/05/2011 17:01:02 by _system »

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Offline CZARCAR

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What types of waves cannot travel through a vacuum?
« Reply #1 on: 23/05/2011 17:04:41 »
sound waves?

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Offline CliffordK

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What types of waves cannot travel through a vacuum?
« Reply #2 on: 23/05/2011 19:32:18 »
Yes...
Sound waves require a medium (air/water/solid/etc).

Radio waves, light waves, x-rays are all EM waves, and travel fastest in a vacuum.

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Offline yor_on

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What types of waves cannot travel through a vacuum?
« Reply #3 on: 26/05/2011 20:35:11 »
Well, there is something called the sound imprint of the Big Bang in the sky if I remember right :) The Cosmic Sound.

Was this a 'trick question'?
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