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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!


Image credit: Andrew Davidhazy; image source; Larger image

High speed photography

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photo credit: Philip Greenspun; image source

Sand Dunes

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Rate these Quotations by Famous Physicists

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"I can't think that it would be terrible of me to say--and it is occasionally true--that I need physics more than friends." - J. Robert Oppenheimer

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"Understanding is, after all, what science is all about-and science is a great deal more than mindless computation." - Roger Penrose

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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 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?

What is dark energy?
Can string theory be tested experimentally?


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