Interact

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

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image credit: Creative Commons; image source; larger image

Smithsonian Education - Minerals, Crystals, and Gems

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Image credit: NASA/Apollo 17; image source; larger image

Static Cling on the Moon

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Rate these Quotations by Famous Physicists

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"I think I can safely say that nobody understands quantum mechanics." - Richard Feynman


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"Who ordered that?" - I.I. Rabi expressing dismay at the identification of the muon, a hard-to-account-for particle whose mass is 207 times the mass of the electron.



Which physics relationship is more important?

How the absorption of ultraviolet radiation by ozone depends on wavelength; this absorption protects us from ultraviolet light from the sun.
How the gravitational force between two masses depends on their separation (shapes the universe).



Which unanswered question in physics is more important?

What is dark energy?
Why does the observable universe have hardly any antimatter?


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