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The unique collection of notes, including workings behind Newton's theories on gravity and light, were revealed on Wednesday at Sotheby's auction house, London.
BBC: Sir Isaac Newton
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There is, however, scope for new laws of gravity that affect light and heavy objects differently, or involve a modification of the concept of inertia.
ECONOMIST: A space oddity
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Einstein's launch into fame, which occurred when measurements made during a 1919 eclipse confirmed his prediction of how much gravity bends light, coincided with, and contributed to, the birth of a new celebrity age.
NPR: Einstein: Relatively Speaking, a Complicated Life