Researchers have found a way to pre-treat a laser beam so that it enters opaque surfaces without dispersing—like a headlight that's able to cut through heavy fog at full strength.
Optics & Photonics
Mar 4, 2019
0
486
Shaking a physical system typically heats it up, in the sense that the system continuously absorbs energy. When considering a circular shaking pattern, the amount of energy that is absorbed can potentially depend on the orientation ...
Quantum Physics
Feb 19, 2019
0
451
There are more than 3,900 confirmed planets beyond our solar system. Most of them have been detected because of their "transits"—instances when a planet crosses its star, momentarily blocking its light. These dips in starlight ...
Astronomy
Jan 4, 2019
2
477
In the 1980s, the discovery of high-temperature superconductors known as cuprates upended a widely held theory that superconductor materials carry electrical current without resistance only at very low temperatures of around ...
Superconductivity
Jan 4, 2019
2
504
Scientists from the Department of Energy's SLAC National Accelerator Laboratory and the Massachusetts Institute of Technology have demonstrated a surprisingly simple way of flipping a material from one state into another, ...
Condensed Matter
Oct 22, 2018
0
794
Physicists at the National Institute of Standards and Technology (NIST) have used common electronics to build a laser that pulses 100 times more often than conventional ultrafast lasers. The advance could extend the benefits ...
Optics & Photonics
Sep 27, 2018
4
192
To tame chaos in powerful semiconductor lasers, which causes instabilities, scientists have introduced another kind of chaos.
Optics & Photonics
Aug 16, 2018
3
294
Researchers have found a way to convert nanoparticle-coated microscopic beads into lasers smaller than red blood cells.
Nanophysics
Jun 18, 2018
0
157
Yale scientists have created a new type of silicon laser that uses sounds waves to amplify light. A study about the discovery appears June 8 in the online edition of the journal Science.
Optics & Photonics
Jun 7, 2018
1
169
Water is an essential ingredient for life as we know it, making up more than half of the adult human body and up to 90 percent of some other living things. But scientists trying to examine tiny biological samples with certain ...
General Physics
Apr 27, 2018
0
169
