The term “ether” is unique in the history of physics not only because of the so many different meanings in which it has been used but also because it is the only term that has been eliminated and ...
Two satellites constructed and launched by the European Space Agency will spend the next year testing Albert Einstein’s general theory of relativity, which was proposed in a paper the famed German ...
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Having failed to achieve their intended orbit following a launch in August 2014, a pair of ESA Galileo satellites are being re-tasked to test Einstein's General Theory of Relativity. More precisely, ...