Using electronic devices for too long can cause them to overheat, which might slow them down, damage their components or even make them explode or catch fire. Now, researchers reporting in ACS' Nano Letters have developed ...
Nanophysics
Apr 22, 2020
4
308
Moderate-temperature thermal sources often radiate waste heat as a by-product of mechanical work, chemical or nuclear reactions, or information processing. In a new report in Science, Paul S. Davids and a research team at ...
Ultrathin carbon nanotubes crystals could have wonderous uses, like converting waste heat into electricity with near-perfect efficiency, and Rice University engineers have taken a big step toward that goal.
Nanophysics
Mar 9, 2020
0
243
A Queen's University Belfast researcher has developed a low cost technique to convert left over barley from alcohol breweries into carbon, which could be used as a renewable fuel for homes in winter, charcoal for summer barbecues ...
Materials Science
Nov 26, 2019
7
999
The gas turbines powering aircraft engines rely on ceramic coatings that ensure structural stability at high temperatures. But these coatings don't control heat radiation, limiting the performance of the engine.
Nanophysics
Nov 19, 2019
0
199
Seawater is one of the most abundant resources on earth, offering promise both as a source of hydrogen—desirable as a source of clean energy—and of drinking water in arid climates. But even as water-splitting technologies ...
Materials Science
Nov 11, 2019
0
555
Energy efficiency in kilns and other process stages of ceramics production are quite low and pollutants are currently emitted at unsustainable levels. But as costs for fossil fuels rise and governments impose ever tighter ...
Materials Science
Sep 25, 2019
0
7
Over the past few years, thermoelectric generators have become the focus of a growing number of studies, due to their ability to convert waste heat into electrical energy. Quantum dots, semiconductor crystals with distinctive ...
Theoretical physicists at Trinity College Dublin are among an international collaboration that has built the world's smallest engine—which, as a single calcium ion, is approximately ten billion times smaller than a car ...
Quantum Physics
Aug 21, 2019
7
2550
Absorption heat transformers can effectively reuse the waste heat generated in various industries. In these devices, specialised liquids form thin films as they flow downward due to gravity. These liquid films can absorb ...
Materials Science
Jul 15, 2019
1
101
