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Physics

Physics is the science of the very small and the very large. Learn about Isaac Newton, who gave us the laws of motion and optics, and Albert Einstein, who explained the relativity of all things, as well as catch up on all the latest news about Physics, on ScienceLibrary.info.

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Question: How long will it take an 8-kg sample of uranium-235 to decay to 1 kg? (The half-life of U-235 is $7.0 x 10^8$ years).




Go to the article about: Fission

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