During chemical reactions, atoms in the reacting substances break their bonds and re-arrange, forming different chemical ...
What you won’t see, though, are green ones. The reason for this is both a fault in the stars and in ourselves: we don’t see ...
Scientists at the X-ray free-electron laser SwissFEL have realized a long-pursued experimental goal in physics: to show how ...
By studying how light from eight distant quasars is gravitationally lensed as it propagates towards Earth, astronomers have ...
Scientists are using lasers, satellites and even sound to determine what is falling from the sky—but the best tool may still ...
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