A team at Stanford's School of Engineering has demonstrated an ultrafast nanoscale light emitting diode (LED) that is orders of magnitude lower in power consumption than today's laser-based systems and able to transmit data ...
Optics & Photonics
Nov 15, 2011
1
0
The current global energy crisis means that sustainability now supplants necessity as the mother of all invention. Concordia University's Georgios Vatistas, professor in the Department of Mechanical and Industrial Engineering, ...
Engineering
Feb 15, 2012
0
0
India has relaxed environmental compliance rules for coal mines seeking to ramp up production as power outages exacerbate a sweltering heatwave, a government notice showed.
Environment
May 11, 2022
0
209
Over the last months, the raison d'être of winter sports has been threatened more than ever by a range of challenges and controversies. From the occupation by activists of the glacier of Girose, Southeastern France, to protest ...
Environment
Jan 7, 2024
0
28
(PhysOrg.com) -- Rain didn't ruin the 2009 Solar Decathlon in Washington, D.C. University teams successfully operated 20 net-zero, grid-connected solar power homes for a week on the National Mall. Some used more power-generating ...
Energy & Green Tech
Oct 19, 2009
3
0
(Phys.org) —A carbon price of between $50 and $100 per tonne of carbon dioxide would make coal-fired and gas-fired power less economical than renewable electricity, a UNSW study shows.
Energy & Green Tech
Apr 3, 2013
33
0
The number of vehicles on China's roads will more than double to at least 200 million by 2020, a top official was quoted Monday as saying, further straining the nation's environment and energy supply.
Energy & Green Tech
Sep 6, 2010
7
0
During the massive oil spill from the ruptured Deepwater Horizon well in 2010, it seemed at first like there might be a quick fix: a containment dome lowered onto the broken pipe to capture the flow so it could be pumped ...
Other
Apr 11, 2012
0
0
The worldwide demand for solar and wind power continues to skyrocket. Since 2009, global solar photovoltaic installations have increased about 40 percent a year on average, and the installed capacity of wind turbines has ...
Energy & Green Tech
Mar 20, 2014
22
0
There are several ways to limit global temperature rise to 1.5°C by 2100, and new research led by IIASA researcher Joeri Rogelj shows under what conditions this could happen.
Environment
Mar 5, 2018
15
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