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Pharao
10.13.2017
50 years ago, on October 13, 1967, the second—the unit of time—was no longer defined by stars, but by atoms. In this quest for precision, scientists are now inventing the clocks of the future,...
01.11.2016
A century after Einstein published his theory of general relativity, one of its most disturbing predictions remains intriguing: to what extent does the proximity of massive bodies such as planets,...