Einstein Said the Speed of Light Is Constant. But This Gravity Experiment Is Raising Questions
A humble elevator shaft was recently used in a test of the constancy of the speed of light.…
ETH Zurich physicists built an ‘atomic cannon’ to put Einstein’s theory of gravity to the test
Physicists at ETH Zurich and the Paul Scherrer Institute have created a narrow, cold-like beam of muonium, an…
Einstein’s theory of gravity could be shaken by a cold beam of atoms
Researchers at the Swiss institutes of ETH Zurich and Paul Scherrer Institute (PSI) in Villigen have produced an…
Astronomers confirm Einstein’s gravity by viewing light from behind a supermassive black hole
Astronomers detected delayed X-ray flashes consistent with light reflected from the far side of an accretion disk and…
Wild Experiment Reveals Quantum Objects Do Obey Gravity
Quantum mechanics and Einstein’s general relativity explain how the Universe works at the tiniest and largest scales, respectively.…
University of Botswana physicists answer to Einstein :: Mmegi Online
Dr Stuart Marongwe and Dr Moletlany iTshipa are both based in the University of Botswana’s Physics Department. Marongwe…
Andrew Crommelin and Charles Davidson took the photograph that proved Einstein right about the universe in 1919. So why does history only remember Arthur Eddington’s name?
When you buy through links on our articles, Future and its syndication partners may earn a commission. David…
Einstein’s Lost Theory Said Gravity Changes Speed of Light and a New Experiment Claims It Was Right
A humble elevator shaft was recently used in a test of the constancy of the speed of light.…
Physicist bends light with gravity, improves remote sensing
Enbang Li, a senior lecturer at the University of Wollongong’s School of Physics, has developed a simple yet…
Two-sun planets keep disappearing: Here’s why scientists point to Einstein |
The idea of a planet orbiting two suns has long captured both scientific curiosity and public imagination. Popularised…
Light can travel for billions of years yet experience no time
A photon emitted from a star a billion light-years away arrives at a telescope having experienced no time…
Distance in space is an illusion
Andromeda sounds far away because 2.5 million light-years sounds far away. It lands with authority. It feels exact.…