Invisibly small carbon nanotubes aligned as fibers and sewn into fabrics become a thermoelectric generator that can turn heat from the sun or other sources into energy.
Nanophysics
Aug 16, 2021
1
2894
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
The International Energy Agency says immediate action is needed to reshape the world's energy sector in order to meet ambitious climate goals by 2050, including ending investments in new coal mines, oil and gas wells.
Environment
May 18, 2021
3
5
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
Chinese scientists have proposed a highly reliable thermal power generator by combining thermoacoustic effect and triboelectric effect.
General Physics
Mar 26, 2021
0
37
Almost 200 years after French physicist Jean Peltier discovered that electric current flowing through the junction of two different metals could be used to produce a heating or cooling effect, scientists continue to search ...
Materials Science
Dec 7, 2020
1
233
Thermoelectric materials can turn a temperature difference into electricity. Organic thermoelectric materials could be used to power wearable electronics or sensors; however, the power output is still very low. An international ...
Materials Science
Nov 11, 2020
0
198
The advent of inexpensive wearable sensors that can monitor heart rate and body temperature, as well as levels of blood sugar and metabolic byproducts, has allowed researchers and health professionals to monitor human health ...
Nanomaterials
Oct 16, 2020
1
175
A laser light shone through the dark could power robotic exploration of the most tantalizing locations in our solar system: the permanently-shadowed craters around the moon's poles, believed to be rich in water ice and other ...
Space Exploration
May 14, 2020
0
118
While energy sources such as wind and solar are great at producing emissions-free electricity, they depend on the sun and the wind, so supply doesn't always meet the demand. Likewise, nuclear power plants operate more efficiently ...
Materials Science
Apr 21, 2020
2
1327
