On May 29, 1919, a total solar eclipse helped to prove Albert Einstein’s theory of general relativity. Einstein’s theory suggested that gravity could bend light by curving the fabric of spacetime. To prove it, he thought it would be a great idea to look at background stars that appear very close to the sun. This […]
Tag: relativity
How do ‘moving rulers shrink’? The strange physics behind special relativity
Albert Einstein at the blackboard. Special relativity is beyond weird. Among its many statements are that moving clocks run slow and that moving rulers shrink. But how are we supposed to make sense of this? To understand the physics of relativity, we have to dip back in time a bit. In 1865, James Clerk Maxwell […]
A ‘cosmic glitch’ in the universe is forcing astronomers to rethink Einstein’s theory of relativity
For over a century, Einstein’s general theory of relativity has been key to understanding gravity. But new research suggests this theory “glitches” in the farthest reaches of space. That doesn’t mean we’re throwing Einstein’s theory out the window. But it may need a slight tweak. Over the last 100 years, countless studies have proven that […]
Newfound ‘glitch’ in Einstein’s relativity could rewrite the rules of the universe, study suggests
A strange “cosmic glitch” in gravity could explain the universe’s weird behavior on the largest scales, researchers suggest. First formulated by Albert Einstein in 1915, the theory of general relativity remains our best and most accurate understanding of how gravity works on medium to large scales. Yet, zoom out even farther to view enormous groups […]
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Scientists Found a Startling Glitch in Einstein’s Theory of Relativity
For more than a century, Albert Einstein’s General Theory of Relativity has provided a surprisingly accurate framework for understanding the gravitational machinations of the universe. However, when observing data approaching the “superhorizon,” galaxies traveling so fast they approach the speed of light, inconsistencies have shown that they theory might need a cosmological extension of sorts. […]
‘Quantum gravity’ could help unite quantum mechanics with general relativity at last
Scientists have determined a way to measure gravity on microscopic levels, perhaps bringing them closer to forming a theory of “quantum gravity” and to solving some major cosmic mysteries. Quantum physics offers scientists the best description of the universe on tiny scales smaller than atoms. Albert Einstein‘s theory of general relativity, on the other hand, […]
2nd image of 1st black hole ever pictured confirms Einstein’s general relativity (photo)
The second image of the first black hole ever to be pictured by humanity shows that its shadow persists a year on. The newly released image of the supermassive black hole at the heart of the galaxy Messier 87 (M87) was captured by the Event Horizon Telescope (EHT) on April 21, 2018, a year and […]