Lab-based dark energy experiment narrows search options for elusive force
An experiment to test a popular theory of dark energy has found no evidence of new forces, placing strong constraints on related theories.
An experiment to test a popular theory of dark energy has found no evidence of new forces, placing strong constraints on related theories.
General Physics
Aug 19, 2019
28
1484
Atomic interactions in everyday solids and liquids are so complex that some of these materials' properties continue to elude physicists' understanding. Solving the problems mathematically is beyond the capabilities of modern ...
Quantum Physics
Jul 12, 2019
8
6036
In the not-so-distant future, researchers may be able to build atoms to your specifications with the click of a button. It's still the stuff of science fiction, but a team at the University of Colorado Boulder reports that ...
Materials Science
May 29, 2019
0
457
Bill Fairbank is looking for... nothing.
General Physics
Apr 29, 2019
0
466
An experiment that, by design, was not supposed to turn up anything of note instead produced a "bewildering" surprise, according to the Stanford scientists who made the discovery: a new way of creating gold nanoparticles ...
Nanomaterials
Apr 19, 2018
0
427
When the Universe arose some 13.7 billion years ago, the Big Bang generated matter and antimatter particles in mirroring pairs. So the reigning physics theory goes.
General Physics
Apr 4, 2018
45
638
Try a quick experiment: Take two flashlights into a dark room and shine them so that their light beams cross. Notice anything peculiar? The rather anticlimactic answer is, probably not. That's because the individual photons ...
Quantum Physics
Feb 15, 2018
18
1704
Researchers at Princeton University have detected a unique quantum property of an elusive particle notable for behaving simultaneously like matter and antimatter. The particle, known as the Majorana fermion, is prized by ...
Quantum Physics
Oct 12, 2017
3
645
New data from NASA's Cassini mission, combined with measurements from the two Voyager spacecraft and NASA's Interstellar Boundary Explorer, or IBEX, suggests that our sun and planets are surrounded by a giant, rounded system ...
Space Exploration
Apr 24, 2017
15
4178
A team of physicists at the University of Toronto (U of T) have taken a step toward making the essential building block of quantum computers out of pure light. Their advance, described in a paper published this week in Nature ...
Quantum Physics
Aug 24, 2015
3
2931