SCIENCE GUY: Anti-helium, the heavy gas

10:51 AM, May 3, 2011   |    comments
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Science Guy Steve Spangler and Monica Woods.

SACRAMENTO, CA - Why does helium make your voice sound like a cartoon character? Chemistry and physics teachers often use this classic science demonstration to illustrate how sound travels through a gas that is six times lighter than air. Science Guy Steve Spangler looks at the science behind the demonstration and wonders what might happen to sound that travels through a gas that is six times heavier than air.

THE EXPERIMENT: Anti-Helium, The Heavy Gas

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