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Interact

Welcome to Interact, where you can tell us what you think.

Rate these Physics to Go featured images! If you like these, grab some more!


photo by "lost coyote," courtesy of Philip Greenspun; image source

Relative Motion & Frame of Reference

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image credit: U.S. Navy; image source

The Physics of Firefighting

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Rate these Quotations by Famous Physicists

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"A black hole has no hair" - John Wheeler commenting on the idea that that the properties of a black hole are limited to mass, charge, and angular momentum.

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"Nothing is too wonderful to be true, if it be consistent with the laws of nature; and in such things as these experiment is the best test of such consistency." - Michael Faraday

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Which physics relationship is more important?

How the binding energy per nucleon depends on atomic weight (makes possible fusion--that's what happens in the sun--and also fission).
How the absorption of infrared radiation by gases in Earth's atmosphere depends on wavelength; the resulting greenhouse effect provides us with temperatures that enable life to flourish.



Which unanswered question in physics is more important?

How can we explain the "Pioneer Anomaly?"


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