In two new studies, researchers at the National Institute of Standards and Technology (NIST) have greatly improved the efficiency and power output of a series of chip-scale devices that generate laser light at different colors ...
Optics & Photonics
Mar 28, 2023
0
253
Researchers have devised a new concept of superconducting microwave low-noise amplifiers for use in radio wave detectors for radio astronomy observations, and they have successfully demonstrated a high-performance cooled ...
General Physics
Mar 20, 2023
0
502
Plants convert light into a form of energy that they can use—a molecule called adenosine triphosphate (ATP)—through photosynthesis. This is a complex process that also produces sugar, which the plant can use for energy ...
Cell & Microbiology
Mar 6, 2023
0
239
Since the Russian attack on Ukraine almost a year ago, there is no shortage of pessimistic forecasts for the climate and for the economy: Geopolitical tensions might eclipse the fight against global heating, and oil and gas ...
Economics & Business
Feb 7, 2023
2
26
The smoke from intense California wildfires in September 2020 darkened the skies so much that it slashed the state's solar power production during peak hours by 10–30%, according to a study led by scientists at the National ...
Environment
Dec 8, 2022
0
49
A highly efficient LED that is deadly to microbes and viruses but safe for people has been engineered by three RIKEN physicists. It could one day help countries emerge from the shadows of pandemics by killing pathogens in ...
Optics & Photonics
Oct 4, 2022
1
269
Scientists from the Institute for Open and Transdisciplinary Research Initiatives at Osaka University discovered a new feature of solar cells made from antimony sulfiodide:sulfide composite, which they termed the wavelength-dependent ...
Materials Science
Jul 5, 2022
0
1526
Erbium-doped fiber amplifiers (EDFAs) are devices that can provide gain to the optical signal power in optical fibers. They are often used in long-distance communication fiber optic cables and fiber-based lasers. Invented ...
Optics & Photonics
Jun 16, 2022
0
183
Usually, increasing agricultural productivity depends on adding something, such as fertilizer or water. A new Stanford University-led study reveals that removing one thing in particular—a common air pollutant—could lead ...
Ecology
Jun 1, 2022
0
178
The yellow-billed hornbill, a cousin of fan-favorite Zazu from The Lion King, faces local extinction due to the climate crisis. Researchers investigated the effects of high air temperature and drought on the breeding success ...
Plants & Animals
May 19, 2022
0
214
