Two leading candidates for a “theory of everything,” long thought incompatible, may be two sides of the same coin. Eight decades have passed since physicists realized that the theories of quantum ...
Time to refresh your old string mop? These loop-end cotton mop head refills make it easy. They're designed to fit standard ...
Eight decades have passed since physicists realized that the theories of quantum mechanics and gravity don’t fit together, and the puzzle of how to combine the two remains unsolved. In the last few ...
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