Scientists have generated circularly polarized light and controlled its direction without using clunky magnets or very low temperatures. The findings, by Nagoya University researchers and colleagues in Japan, and published ...
Optics & Photonics
Sep 14, 2021
0
253
Clustered at the center of this image are six luminous spots of light, four of them forming a circle around a central pair. Appearances can be deceiving, however, as this formation is not composed of six individual galaxies, ...
Astronomy
Aug 27, 2021
0
1135
By connecting two of the biggest radio telescopes in the world, astronomers have discovered that a simple binary wind cannot cause the puzzling periodicity of a fast radio burst after all. The bursts may come from a highly ...
Astronomy
Aug 26, 2021
15
433
Black holes are more than just massive objects that swallow everything around them—they're also one of the universe's biggest and most stable energy sources. That would make them invaluable to the type of civilization ...
Astronomy
Aug 26, 2021
17
1071
Nestled among the vast clouds of star-forming regions like this one lie potential clues about the formation of our own solar system.
Astronomy
Aug 13, 2021
0
1008
The interplay between light and matter encompasses a stunning spectrum of phenomena, from photosynthesis to the captivating colors of rainbows and butterfly wings. Diverse as these manifestations may be, they involve very ...
Optics & Photonics
Aug 9, 2021
0
1271
Electrical engineers from the UCLA Samueli School of Engineering have developed a more efficient way of converting light from one wavelength to another, opening the door for improvements in the performance of imaging, sensing ...
General Physics
Jul 30, 2021
18
913
Scientists studying particle collisions at the Relativistic Heavy Ion Collider (RHIC)—a U.S. Department of Energy Office of Science user facility for nuclear physics research at DOE's Brookhaven National Laboratory—have ...
Optics & Photonics
Jul 29, 2021
103
794
Watching X-rays flung out into the universe by the supermassive black hole at the center of a galaxy 800 million light-years away, Stanford University astrophysicist Dan Wilkins noticed an intriguing pattern. He observed ...
Astronomy
Jul 28, 2021
22
5028
Nuclear fusion offers the potential for a safe, clean and abundant energy source.
Plasma Physics
Jul 22, 2021
1
2575
