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Trigonometry

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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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Test your knowledge!

Question: Thorium-232 has a half-life of 14 billion years. If thorium-232 appeared in the universe soon after the Big Bang, how much would be left today?




Go to the article about: Fission

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