It is something like the "Holy Grail" of physics: unifying particle physics and gravitation. The world of tiny particles is ...
Physicists have demonstrated with unprecedented accuracy that the speed of light remains constant. In 1887, a landmark physics experiment was carried out by American researchers Michelson and Morley.
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Time moves faster on Mars than on Earth, study finds
On Earth, knowing the time feels simple. Your phone pings the same second as a GPS satellite and an atomic clock in a lab.
How confusing inevitability with reality built decades of paradox. What if general relativity never actually tells us that ...
Long and winding road: The Juice space probe taking the long way to Jupiter and its moons - Copyright NASA/AFP/File NASA Long and winding road: The Juice space probe ...
Gravitational physics has become a truly experimental science as tests of the special and general theories of relativity reach new levels of precision Right on time When I was a first-term graduate ...
Rogue black holes kicked from their galactic lairs are among the surprising predictions made by physicists using powerful computers to solve Einstein's equations of general relativity. David Appell ...
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