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Interact

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

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image credit: U.S. Navy; larger image

US Satellite Shoot-down

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image credit: Jon Bird; Image source; larger image

South Pole Foucault Pendulum

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Rate these Quotations by Famous Physicists

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"All science is either physics or stamp collecting." - Ernest Rutherford

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"Science and everyday life cannot and should not be separated." - Rosalind Franklin

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Which physics relationship is more important?

How the force of gravity is 39 powers of ten weaker than the electromagnetic force. Had gravity been much stronger, stars would have burned out much faster, and life would not have had enough time to evolve.
How dark matter is required to provide enough gravity so that matter in the primordial universe clumps together (to begin the formation of stars and galaxies).



Which unanswered question in physics is more important?

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


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