In his Special Theory of Relativity, Einstein formulated the hypothesis according to which the speed of light is always the same, no matter what the conditions are. It may, however, be possible that—according to theoretical ...
Quantum Physics
Mar 13, 2019
0
305
An international team of scientists, including astronomers from the Universities of Leicester, Bath and Warwick, have found evidence for the existence of a 'hot cocoon' of material enveloping a relativistic jet escaping a ...
Astronomy
Jan 16, 2019
9
246
Our senses are stuck in the past. There's a flash of lightning, and then seconds pass until we hear the rumble of distant thunder. We hear the past.
Space Exploration
Dec 28, 2018
14
147
The last missing particle of the Standard Model, the Higgs boson, was discovered in 2012 in experiments at the Large Hadron Collider. Since then, searching for new, related particles has been underway. Predicted by various ...
General Physics
Dec 21, 2018
2
123
The world has one official kilogram against which all other country's kilograms are measured and scales calibrated.
General Physics
Dec 17, 2018
0
1103
When a dense sheet of electrons is accelerated to almost the speed of light, it acts as a reflective surface. Such a 'plasma mirror' can be used to manipulate light. Now an international team of physicists from the Max Planck ...
Optics & Photonics
Dec 5, 2018
0
67
In the shadowy regions of black holes two fundamental theories describing our world collide. Can these problems be resolved and do black holes really exist? First, we may have to see one and scientists are trying to do just ...
Astronomy
Nov 22, 2018
333
287
A team of researchers from the University of St Andrews and the University of York has slowed down the speed of light in a process which could have major applications in fundamental science and medical diagnosis.
Optics & Photonics
Sep 17, 2015
1
103
Researchers from The University of Western Australia and Humboldt University of Berlin have completed testing that has effectively measured the spatial consistency of the speed of light with a precision ten times greater ...
General Physics
Sep 14, 2015
12
114
A fast-moving pulsar appears to have punched a hole in a disk of gas around its companion star and launched a fragment of the disk outward at a speed of about 4 million miles per hour. NASA's Chandra X-ray Observatory is ...
Astronomy
Jul 22, 2015
4
1565
