Tiny amounts of heat can be used to control the movement of magnetic whirlpools called skyrmions, RIKEN physicists have shown. This ability could help to develop energy-efficient forms of computing that harness waste heat.
General Physics
Nov 22, 2021
0
299
Heat engines are devices that use waste heat to perform mechanical work and generate power. The invention of heat engines ushered in an era of the industrial revolution 250 years ago. The Otto engine, which uses distinct ...
Quantum Physics
Nov 9, 2021
0
77
In recent years, energy consumption in developed countries has been rather wasteful. Nearly two-thirds of the total energy is typically discarded as "waste heat," which ends up contributing to global warming. Finding a way ...
Materials Science
Oct 21, 2021
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12
A collaborative research team, led by the University of Liverpool, has discovered a new inorganic material with the lowest thermal conductivity ever reported. This discovery paves the way for the development of new thermoelectric ...
Materials Science
Jul 15, 2021
1
1198
NASA's Nancy Grace Roman Space Telescope team recently flight-certified all 24 of the detectors the mission needs. When Roman launches in the mid-2020s, these devices will convert starlight into electrical signals, which ...
Astronomy
Jun 9, 2021
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242
Thermoelectric power generators that make electrical power from waste heat would be a useful tool to reduce greenhouse gas emissions if it weren't for a most vexing problem: The need to make electrical contacts to their hot ...
Materials Science
May 26, 2021
3
1191
A wide variety of portable and wearable electronics have become a large part of our daily lives, so a group of Stanford University researchers wondered if these could be powered by harvesting electricity from the waste heat ...
Nanophysics
Apr 27, 2021
0
23
Thermoelectric technology can generate electricity from waste heat, although their performance can result in a bottleneck for wider applications. Materials scientists can regulate the configurational entropy of a material ...
Chinese scientists have proposed a highly reliable thermal power generator by combining thermoacoustic effect and triboelectric effect.
General Physics
Mar 26, 2021
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37
One theory of aging invokes the Second Law of Thermodynamics and suggests that in the long-term, the heat energy generated by metabolic changes causes damage to living systems that accumulates as repair mechanisms cannot ...
Cell & Microbiology
Feb 24, 2021
0
3
