DETLEV VAN RAVENSWAAY / SCIENCE PHOTO LIBRARY DETLEV VAN RAVENSWAAY / SCIENCE PHOTO LIBRARY
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Einstein's physics. Artwork of Albert Einstein (1879-1955), German-Swiss-US physicist, surrounded by stars and his mass-energy equation (top left). This equation resulted from Einstein's 1905 paper on Special Relativity. It states that mass (m) and energy (E) are related by the square of the speed of light in a vacuum (c). This means that a lot of energy can be released from a small mass, which is the basis of nuclear fusion and fission and atomic bombs. Einstein's physics replaced the Newtonian world view, rewriting the concepts of space, time and gravity. Einstein encouraged the atomic bomb project and later campaigned for world peace.
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