The polarization of light underpins a variety of recent technological innovations, including 3D cinema and LCDs. In LCDs, tiny electronically controllable liquid crystal elements are sandwiched between polarizers. If, instead, ...
General Physics
Jul 22, 2022
0
43
How has gun background check data—an accepted proxy of firearm sales—trended during the past 20 years?
Social Sciences
Jul 12, 2022
1
23
An ozone hole, seven times larger than the Antarctic ozone hole, is currently sitting over tropical regions and has been since the 1980s, according to a Canadian researcher.
Environment
Jul 5, 2022
0
186
An optical fiber as thin as a strand of hair holds promise for use in minimally invasive deep-tissue studies of patients' brains that show the effects Alzheimer's disease and other brain disorders. The research could set ...
Optics & Photonics
Jun 30, 2022
0
57
Chinese researchers may have found a new approach to treat cancer by using a plasma treatment to induce apoptosis, the death of cancer cells, without any obvious side effect to normal cells.
Plasma Physics
Jun 28, 2022
0
104
Noise produced by pile drivers building offshore wind turbines can damage the hearing of porpoises, seals, and other marine life. Regulations are in place, but guidance on this difficult topic requires regular revisits to ...
Ecology
Jun 28, 2022
0
394
Experienced cooks can determine when cooking oil has reached the right temperature for deep-frying by inserting moistened chopsticks in the hot oil. Bubbles form on the sticks and the sizzling sound they produce can tell ...
Soft Matter
Jun 7, 2022
0
87
Twenty years after the retirement of the Concorde, several industrial and research projects want to make supersonic flight a reality again. However, supersonic planes produce sonic booms loud enough to warrant noise concerns ...
General Physics
Jun 7, 2022
1
226
Opening a bottle of champagne traditionally marks the beginning of a festive celebration. Following the fun pop of the cork, a fizz of bubbles releases into the air, and finally, there is the pleasant tingle on the tongue.
General Physics
Jun 2, 2022
0
222
Examining a city's magnetic footprint can be used to monitor the health of that city, including a possible early warning system for trouble with pollution and as a tool for optimizing energy conservation.
General Physics
May 31, 2022
0
126
