Sensitive new telescopes now permit astronomers to detect the waste heat that is expected to be a signature of advanced alien civilizations that can harness enormous energies on the scale of the stellar output of their own ...
Astronomy
Sep 16, 2015
35
4086
(PhysOrg.com) -- University of Arizona physicists have discovered a new way of harvesting waste heat and turning it into electrical power. Taking advantage of quantum effects, the technology holds great promise for making ...
Nanophysics
Sep 24, 2010
35
0
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
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
The promise of thermoelectric materials as a source of clean energy has driven the search for materials that can efficiently produce substantial amounts of power from waste heat.
Materials Science
Jun 21, 2019
0
6
More than half of today's energy consumption is squandered in useless waste heat, such as the heat from refrigerators and all sorts of gadgets and the heat from factories and power plants. The energy losses are even greater ...
Engineering
Nov 9, 2011
3
0
Even if you live more than 1,000 miles from the nearest large city, it could be affecting your weather. In a new study that shows the extent to which human activities are influencing the atmosphere, scientists have concluded ...
Earth Sciences
Jan 27, 2013
53
0
Machines and electronic devices often generate waste heat that is difficult to utilize. If electricity could be generated from this waste heat, it would offer a means for a clean and sustainable power production: Such a technology ...
Nanophysics
Jan 18, 2022
1
211
Soon, it will be possible to produce electricity from heat over 30 degrees emitted from a waste incinerator, refinery, or data processor. The start-up Osmoblue has just confirmed the feasibility of this new concept.
Energy & Green Tech
May 21, 2013
8
1
