Guided by machine learning, chemists at the Department of Energy's Oak Ridge National Laboratory designed a record-setting carbonaceous supercapacitor material that stores four times more energy than the best commercial material. ...
Analytical Chemistry
Nov 22, 2023
7
481
For the first time, hard-to-find lithium has been identified and measured in the atmosphere of burned out stars called white dwarfs, according to a study led by the University of North Carolina at Chapel Hill published online ...
Astronomy
Dec 17, 2020
0
524
Long known as the hardest of all natural materials, diamonds are also exceptional thermal conductors and electrical insulators. Now, researchers have discovered a way to tweak tiny needles of diamond in a controlled way to ...
Materials Science
Oct 5, 2020
0
3112
When two mesh screens are overlaid, beautiful patterns appear when one screen is offset. These "moiré patterns" have long intrigued artists, scientists and mathematicians and have found applications in printing, fashion ...
Nanophysics
Aug 1, 2019
3
1081
What if the brain could detect its own disease? Researchers have been trying to create a material that "thinks" like the brain does, which would be more sensitive to early signs of neurological diseases such as Parkinson's.
Materials Science
Apr 10, 2019
0
161
Researchers at the Department of Energy's SLAC National Accelerator Laboratory have recorded the most detailed atomic movie of gold melting after being blasted by laser light. The insights they gained into how metals liquefy ...
Condensed Matter
Jun 28, 2018
0
104
Imagine being able to power your car partly from the heat that its engine gives off. Or what if you could get a portion of your home's electricity from the heat that a power plant emits? Such energy-efficient scenarios may ...
General Physics
May 25, 2018
10
1619
An exotic material called gallium nitride (GaN) is poised to become the next semiconductor for power electronics, enabling much higher efficiency than silicon.
Electronics & Semiconductors
Jul 29, 2015
5
3016
Wearable electronic devices for health and fitness monitoring are a rapidly growing area of consumer electronics; one of their biggest limitations is the capacity of their tiny batteries to deliver enough power to transmit ...
Nanomaterials
Jul 7, 2015
2
294
(Phys.org)—Have you ever been working on a document on your computer and it suddenly crashes? Maybe the power goes out or there's a software glitch that causes it to freeze and you lose everything you've been working on ...
Electronics & Semiconductors
Jan 14, 2015
4
309
