Matter & Energy

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QUANTUM ELECTRONICS  A new quantum logic gate in silicon manipulates the spins (arrows) of a pair of electrons (red and blue), as shown in this illustration.


MOLECULAR EDITORS  Tomas Lindahl (left), Aziz Sancar (center) and Paul Modrich (right) shared the 2015 Nobel Prize in chemistry for working out how cells fix damaged DNA.


GRAVITY'S CENTURY  Einstein's general theory of relativity, published in November 1915, describes gravity as the warping of spacetime by masses such as the Earth and moon. 

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