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image credit: Wikimedia Commons; image source; larger image

Polarization and Interference Colors

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Counting Calories

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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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"On the infrequent occasions when I have been called upon in a formal place to play the bongo drums, the introducer never seems to find it necessary to mention that I also do theoretical physics." - Richard Feynman (A photograph of Feynman drumming appeared in the beginning of his introductory physics textbook.)

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Which physics relationship is more important?

How the increase in temperature vs. depth for Earth (creates the "oil window"--7,500 feet to 15,000 feet--where dead organisms were cooked into oil).
How Earth's magnetic field protects us from the solar wind, the stream of charged particles emanating from the sun. (In fact, a strong solar flare during the Apollo mission could have proved fatal to the astronauts.)



Which unanswered question in physics is more important?

Does the proton decay?
Why does the observable universe have hardly any antimatter?


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