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Why doesn't light orbit the sun/earth if space-time is curved by it ?
LiveScience· 5 days agoGiven that according to general relativity the planets orbit the sun because they are following the curvature of space-time and its 'geodesics', shouldn't ...
NASA's TESS exoplanet hunter may have spotted its 1st rogue planet
Space via Yahoo News· 14 hours agoFortunately, Einstein's 1915 theory of gravity, better known as general relativity, predicts a...
Tweak to Schrödinger's cat equation could unite Einstein's relativity and quantum mechanics, study...
LiveScience· 5 days agoTheoretical physicists have proposed a new solution to the Schrödinger's cat paradox, which may...
Is anti-gravity possible ?
LiveScience· 5 days agoPhysicists have traced three of the four accepted forces of nature — the electromagnetic force, the strong and the weak nuclear forces — to their origins in quantum particles. Our current framework ...
Deseret News archives: When Hubble expanded our view of the universe
Deseret News via Yahoo News· 6 days agoIts photos hinted that as a planet, Earth may not be alone. Just one picture of warped distant...
This Simple Strategy Might Be the Key to Advancing Science Faster
Scientific American· 7 days agoChristie Aschwanden: I’m Christie Aschwanden, and this is Uncertain, a Scientific American podcast...
Look! The Largest Digital Camera In the World Is Ready to Revolutionize Astronomy
Inverse· 12 hours agoLike the family camcorder, the largest digital camera in the world will capture the next 10 years of...
Paradox-Free Time Travel Is Theoretically Possible: Physicist “Squares the Numbers” on Time Travel
LiveScience· 2 days agoFabio Costa. “Classical dynamics says if you know the state of a system at a particular time, this can tell us the entire history of the system,” Mr. Tobar said. “However, Einstein’s theory ...
A mathematical bridge between the huge and the tiny
Phys.org· 1 day agoThe mathematical discipline known as differential geometry is concerned with the geometry of smooth shapes and spaces. With roots going back to...
Kudos to the Cambridge University housekeepers – messy students should be named and shamed
The Telegraph via Yahoo News· 3 days agoThere’s a group of workers in Cambridge who are now heroes to me. The housekeepers of Fitzwilliam...