(Phys.org)—In cold regions on earth, negative temperatures on the Fahrenheit or Celsius scale can often occur in winter; in physics, however, they were so far impossible. On the absolute temperature scale that is used by ...
General Physics
Jan 4, 2013
54
2
Batteries that exploit quantum phenomena to gain, distribute and store power promise to surpass the abilities and usefulness of conventional chemical batteries in certain low-power applications. For the first time, researchers, ...
Condensed Matter
Dec 14, 2023
2
134
(PhysOrg.com) -- High-performance nanotech materials arrayed on a flat panel platform demonstrated seven to eight times higher efficiency than previous solar thermoelectric generators, opening up solar-thermal electric power ...
Nanomaterials
May 1, 2011
7
0
Researchers have created self-healing polymers that could extend the lifetime of automotive oils. These polymers are suitable to add to lubricants and could maintain the physical properties of engine oils for longer, they ...
Polymers
Jan 29, 2010
1
0
One day soon, buildings could become more energy-efficient—and environmentally sustainable—with insulating material developed from wood by researchers in Sweden. The newly-developed material offers as good or even better ...
Biochemistry
Jun 7, 2022
2
1074
At a national scientific meeting last week where biofuels - principally ethanol - were uniformly trashed as an environmental train wreck, one bright, carbon-free light gleamed in our energy future: the sun.
Energy & Green Tech
Feb 25, 2009
55
0
Researchers from the Department of Materials Science and Engineering at Texas A&M University have used an Artificial Intelligence Materials Selection framework (AIMS) to discover a new shape memory alloy. The shape memory ...
Analytical Chemistry
May 5, 2022
0
168
(PhysOrg.com) -- Scientists in the Optical Sciences Division at the Naval Research Laboratory, report a successful demonstration of a novel high-efficiency ceramic laser that is both, light-weight and compact for use in both ...
Optics & Photonics
May 24, 2011
1
0
The continued depletion of fossil fuel-based energy resources is leading us towards a growing energy crisis. Consequently, this has set in motion a search for sustainable alternative resources. Thermoelectric energy conversion—a ...
Materials Science
Mar 28, 2022
1
324
(PhysOrg.com) -- The right material wrapped around your car's exhaust system could one day scavenge heat that would otherwise be wasted, turning it into energy to warm the cabin or recharge the battery.
Condensed Matter
Dec 22, 2010
10
0
