This montage of 365 images shows the changing activity of our sun through the eyes of ESA's Proba-2 satellite during 2018. The images were taken by the satellite's SWAP camera, which works at extreme ultraviolet wavelengths ...
Space Exploration
Jan 28, 2019
0
24
(Phys.org)—Researchers with the Interdisciplinary Centre for Computer Music Research at Plymouth University in the UK have created a form of music based on the electrical output of the common slime mold. By inducing the ...
Terahertz (THz) radiation—radiation in the wavelength range of 30 to 300 microns—is gaining attention due to its applications in security screening, medical and industrial imaging, agricultural inspection, astronomical ...
General Physics
Oct 9, 2013
2
0
Osram Opto Semiconductors has raised the efficiency of its high-performance red light-emitting diode (LED) by 30% under laboratory conditions. This record-setting efficiency was achieved through optimization of the chips. ...
Engineering
Aug 16, 2010
0
1
MIT researchers have developed a novel "photonic" chip that uses light instead of electricity—and consumes relatively little power in the process. The chip could be used to process massive neural networks millions of times ...
General Physics
Jun 6, 2019
1
722
Climate change caused by global warming is slowing down world economic output by 1.6 percent a year and will lead to a doubling of costs in the next two decades, a major new report said.
Environment
Sep 26, 2012
61
0
A new type of battery combines negative capacitance and negative resistance within the same cell, allowing the cell to self-charge without losing energy, which has important implications for long-term storage and improved ...
Condensed Matter
Feb 25, 2020
3
85
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
Massachusetts Institute of Technology researchers can now predict how much energy solar cells will produce at any location worldwide. Surprisingly, they identified that two types of solar cells (silicon and cadmium telluride) ...
Energy & Green Tech
Dec 13, 2017
0
125
Refrigerating coal-plant emissions would reduce levels of dangerous chemicals that pour into the air—including carbon dioxide by more than 90 percent—at a cost of 25 percent efficiency, according to a simple math-driven ...
General Physics
Aug 27, 2012
6
0
