News tagged with hot
Plasmonic device converts light into electricity
(PhysOrg.com) -- While the most common device for converting light into electricity may be photovoltaic (PV) solar cells, a variety of other devices can perform the same light-to-electricity conversion, such ...
Nov 09, 2011 |
4.6 / 5 (13) |
3
|
Scientists Develop First Chip-Scale Thermoelectric Cooler
(PhysOrg.com) -- As computer chips become more powerful, they also become hotter. Nearly all the power that flows into a chip comes out of it as waste heat, and that heat hurts the performance of the chip. ...
Feb 02, 2009 |
4.4 / 5 (11) |
7
Discovery of a 'dark state' could increase maximum theoretical efficiency of solar cells from 31 to 44 percent
The efficiency of conventional solar cells could be significantly increased, according to new research on the mechanisms of solar energy conversion led by chemist Xiaoyang Zhu at The University of Texas at Austin.
Dec 15, 2011 |
4.8 / 5 (23) |
12
|
Hot springs microbe yields record-breaking, heat-tolerant enzyme
Bioprospectors from the University of California, Berkeley, and the University of Maryland School of Medicine have found a microbe in a Nevada hot spring that happily eats plant material – cellulose – ...
Jul 05, 2011 |
5 / 5 (6) |
7
|
New explanation for Hawaiian hot spot
(PhysOrg.com) -- Scientists in the US have suggested that volcanic activity in Hawaii could be fed by a giant hot rock pool 1,000 kilometers west of the islands and in the Earth’s mantle, rather than ...
Space & Earth / Earth Sciences
May 27, 2011 |
4.4 / 5 (11) |
3
|
Measurement of 'hot' electrons could have solar energy payoff
(PhysOrg.com) -- Basic scientific curiosity paid off in unexpected ways when Rice University researchers investigating the fundamental physics of nanomaterials discovered a new technology that could dramatically ...
May 05, 2011 |
5 / 5 (6) |
0
|
Cold case: Siberian hot springs reveal ancient ecology (w/ video)
(PhysOrg.com) -- Exotic bacteria that do not rely on oxygen may have played an important role in determining the composition of Earth's early atmosphere, according to a theory that UChicago researcher Albert ...
Space & Earth / Earth Sciences
Apr 26, 2011 |
4.9 / 5 (12) |
0
|
Super-Earth has an atmosphere, but is it steamy or gassy?
In December 2009, astronomers announced the discovery of a super-Earth known as GJ 1214b. At the time, they reported signs that the newfound world likely had a thick, gaseous atmosphere. Now, a team led by ...
Dec 01, 2010 |
5 / 5 (13) |
2
|
Astronomers find weird, warm spot on an exoplanet
(PhysOrg.com) -- Observations from NASA's Spitzer Space Telescope reveal a distant planet with a warm spot in the wrong place.
Oct 19, 2010 |
4.4 / 5 (25) |
16
|
Early exit for hot Jupiter due to deadly tides
(PhysOrg.com) -- Bad news for planet hunters: most of the "hot Jupiters" that astronomers have been searching for in star clusters were likely destroyed long ago by their stars. In a paper accepted for publication ...
Sep 10, 2010 |
4.7 / 5 (14) |
1
|
Highly efficient solar cells could result from quantum dot research
Conventional solar cell efficiency could be increased from the current limit of 30 percent to more than 60 percent, suggests new research on semiconductor nanocrystals, or quantum dots, led by chemist Xiaoyang ...
Nanotechnology / Nanomaterials
Jun 17, 2010 |
4.5 / 5 (30) |
4
|
Six new planets discovered
(PhysOrg.com) -- An international team, including Oxford University scientists, has discovered six diverse new planets, from 'shrunken-Saturns' to 'bloated hot Jupiters', as well a rare brown dwarf with 60 ...
Jun 14, 2010 |
4.8 / 5 (30) |
3
|
Peppers may increase energy expenditure in people trying to lose weight
Imagine your delight while enjoying your favorite Mexican food - perhaps a fully loaded bean burrito topped with an ample supply of thinly sliced jalepeno peppers. What happens when you bite into a few more peppers than you ...
Medicine & Health / Medical research
Apr 27, 2010 |
4.6 / 5 (5) |
0
|
Turning Planetary Theory Upside Down (w/ Video)
(PhysOrg.com) -- The discovery of nine new transiting exoplanets is announced today at the RAS National Astronomy Meeting. When these new results were combined with earlier observations of transiting exoplanets ...
Apr 13, 2010 |
4.7 / 5 (30) |
19
|
Elusive 'hot' electrons captured in ultra-thin solar cells
Boston College researchers have observed the "hot electron" effect in a solar cell for the first time and successfully harvested the elusive charges using ultra-thin solar cells, opening a potential avenue to improved solar ...
Dec 11, 2009 |
4.5 / 5 (13) |
3
