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 credit: Arianna Gianola

Art of Science 2006

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image credit: © Guillaume Paumier / Wikimedia Commons; image source; larger image

Tuned Mass Damper

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Rate these Quotations by Famous Physicists

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"Poets say science takes away from the beauty of the stars--mere globs of gas atoms. I too can see the stars on a desert night, and feel them. But do I see less or more?... It does not do harm to the mystery to know a little about it. For far more marvelous is the truth than any artists of the past imagined it. Why do the poets of the present not speak of it? What men are poets who can speak of Jupiter if he were a man, but if he is an immense spinning sphere of methane and ammonia must be silent?" - Richard Feynman


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"The laws of nature are constructed in such a way as to make the universe as interesting as possible." - Freeman Dyson



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 neutron mass is greater than the proton mass, so the free neutron can decay into a proton and electron (and anti-neutrino). Had the proton mass been greater than the neutron mass, most of the protons in the universe would have decayed into neutrons, and there would hardly be any hydrogen nuclei left. Without hydrogen, there would be no stars, no organic chemistry, and no carbon-based life.



Which unanswered question in physics is more important?

What is dark energy?
Can the theories of gravitation and quantum mechanics be merged?


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