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
Over the past few decades, physicists and engineers have been trying to create increasingly compact laser-plasma accelerators, a technology to study matter and particle interactions produced by interactions between ultrafast ...
(Phys.org)—University at Buffalo engineers have created a more efficient way to catch rainbows, an advancement in photonics that could lead to technological breakthroughs in solar energy, stealth technology and other areas ...
Optics & Photonics
Feb 15, 2013
3
0
Special relativity is one of the most strongly validated theories humanity has ever devised. It is central to everything from space travel and GPS to our electrical power grid. Central to relativity is the fact that the speed ...
General Physics
Jan 11, 2021
29
38
An Italian physicist at the head of a team that made a cautious but hugely controversial claim that neutrinos may travel faster than the speed of light resigned on Friday following calls for his dismissal.
General Physics
Mar 30, 2012
34
0
Albert Einstein, one of the most celebrated modern scientists, proposed the revolutionary theory of special relativity more than a century ago. This theory forms the basis of most of what we understand about the universe, ...
General Physics
Oct 20, 2022
21
100
It is tempting to believe that effects arising from Einstein’s theory of relativity, where objects move at speeds close to the speed of light, arise mainly at very large length scales, for example the movement of planets ...
General Physics
Aug 10, 2012
4
0
Researchers with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) have discovered a unique new twist to the story of graphene, sheets of pure carbon just one atom thick, and in the ...
Nanomaterials
Aug 12, 2013
3
0
(PhysOrg.com) -- When physicists experiment with quantum entanglement, they usually work with photons, the intangible particles of light. In the past few years, however, scientists have begun to broaden their experiments ...
(PhysOrg.com) -- The LHC (Large Hadron Collider) is once again colder than deep space as it is prepared for experiments to resume in late November.
