Pedro G. Ferreira is a professor of astrophysics at the University of Oxford. An expert in cosmology, the early universe, and general relativity, he writes frequently for trade and academic science publications and is a regular commentator for the BBC.
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How did one elegant theory incite a scientific revolution? Physicists have been exploring, debating, and questioning the general theory of relativity ever since Albert Einstein first presented it in 1915. Their work has uncovered a number of the univer... SEE MORE