Using exotic particles called quantum dots as the basis for a photovoltaic cell is not a new idea, but attempts to make such devices have not yet achieved sufficiently high efficiency in converting sunlight to power. A new ...
Nanophysics
Mar 25, 2013
1
0
An international research team has called for a more sober discourse around climate change prospects, following an extensive reassessment of climate change's progress and its mitigation.
Environment
Nov 21, 2019
116
1085
In the world of computer gaming, bragging rights are accorded to those who can boast of blazing-fast graphics cards, the most powerful processors, the highest-resolution monitors, and the coolest decorative lighting. They ...
Energy & Green Tech
Aug 31, 2015
13
203
What does it cost to save electricity? Researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) have conducted the most comprehensive study yet of the full cost of saving electricity by U.S. utility efficiency ...
Energy & Green Tech
Apr 28, 2015
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As transistors get smaller, they also grow less reliable. Increasing their operating voltage can help, but that means a corresponding increase in power consumption.
Computer Sciences
Oct 30, 2014
0
0
A system that uses ultrasound technology to look inside car engines could lead to more efficient engines – and huge fuel savings for motorists.
Engineering
Dec 10, 2012
6
0
(Phys.org)—EPFL scientists have found that reorganizing the inner architecture of the processors used in massive data processing centers can yield significant energy savings. Their work is part of the EcoCloud program.
Computer Sciences
Nov 26, 2012
2
0
Engineers are closer to understanding, and therefore manipulating, invisible aerodynamic drag forces, that cause an estimated 50 per cent of transportation fuel to be lost before we can use it.
General Physics
Aug 30, 2012
18
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(PhysOrg.com) -- A little bit of lubrication could make a big energy saving when manufacturing sustainable biofuels and bio-chemicals from timber, according to research published in the journal Green Chemistry this month.
Materials Science
Mar 9, 2012
15
0
The EUREKA (Belgium) i-StARS project is developing a compact, fully integrated and low-cost start-stop system for cars to replace conventional alternators in mass production. This second-generation starter alternator reversible ...
Engineering
Jan 15, 2009
0
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