Optomechanical devices, which simultaneously confine light waves and mechanical waves to permit interaction between them, can be used to study fundamental questions in physics and to sense motion similarly to electromechanical ...
Optics & Photonics
Apr 10, 2017
0
447
A world-first study has found concentrations of plastics in some lakes are higher than in the most contaminated parts of oceans, demonstrating the extent to which plastics have invaded Earth's ecosystems.
Environment
Jul 16, 2023
0
34
To gauge whether suspects involved in accidents or routine traffic stops have been driving drunk, police officers pair field sobriety tests with breathalyzers, which signal the presence of alcohol in the breath. Most breathalyzers ...
Analytical Chemistry
Oct 8, 2013
0
0
The design of efficient solar cells, which harness energy to generate electricity or produce hydrogen by splitting water, has received much attention globally. Another route to harnessing abundant, free solar energy: using ...
Optics & Photonics
Sep 7, 2022
0
454
A new way of looking at how pollutants ride through the atmosphere has quadrupled the estimate of global lung cancer risk from a pollutant caused by combustion, to a level that is now double the allowable limit recommended ...
Earth Sciences
Jan 26, 2017
3
506
Starved for freshwater, the Great Salt Lake is getting saltier. The lake is losing sources of freshwater input to agriculture, urban growth and drought, and the drawdown is causing salt concentrations to spike beyond even ...
Ecology
Oct 4, 2022
2
83
Dramatic improvements have been made to the process of converting carbon dioxide, a greenhouse gas, to methanol, a fuel and building block for a wide range of everyday materials, according to Penn State researchers.
Materials Science
Jun 28, 2018
0
19
Experts in Japan have devised a simple way to glean more detailed information out of standard medical imaging scans. A research team made up of atomic physicists and nuclear medicine experts at the University of Tokyo and ...
General Physics
Oct 1, 2020
0
954
To arrive at Nunavut, turn left at the Dakotas and head north. You can't miss it—the vast tundra territory covers almost a million square miles of northern Canada. Relatively few people call this lake-scattered landscape ...
Environment
Feb 6, 2021
4
136
Researchers at Ben-Gurion University of the Negev (BGU) have developed a radically new design for a concentrator solar cell that, when irradiated from the side, generates solar conversion efficiencies which rival, and may ...
Energy & Green Tech
Nov 8, 2012
2
0
