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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: Jay Ouellet; image source

Positions of the Planets

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photo credit: UMASS-Amherst Physics Lecture Support

Diffraction Around a Pinhead

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Rate these Quotations by Famous Physicists

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"Look here, I have succeeded at last in fetching some gold from the sun." - Gustav Kirchhoff

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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 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.)
How the gravitational force between two masses depends on their separation (shapes the universe).



Which unanswered question in physics is more important?

How can we explain the "Pioneer Anomaly?"
What is dark energy?


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