BOULDER- Black holes, time travel and E= mc^2. They are all related to Albert Einstein's Theory of Relativity. How many of us, though, can actually explain any of it? This year, Einstein's theory ...
110 years ago today, Albert Einstein published his General Theory of Relativity, which redefined the relationship between matter and gravity. Suddenly, our mysterious universe made a little more sense ...
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Record-breaking gravitational wave puts Einstein's relativity to its toughest test yet — and proves him right again
A record-breaking gravitational wave signal let scientists "listen" to a distant black hole merger and put Einstein's gravity ...
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Overwriting Einstein’s theory of relativity with time travel?
The curious minds at What If examine overwriting Einstein’s theory of relativity with time travel, imagining paradoxes, causality, and cosmic consequences.
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Radio signal discovered at the center of our galaxy could put Einstein's relativity to the test
Scientists hope to probe the nature of general relativity through a possible pulsar found in the center of the Milky Way, ...
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