As the summer heats up, so do cities. That's true not just for hot places like Los Angeles and Phoenix, but also for cooler capitals like Ottawa and Reykjavik.
Energy & Green Tech
May 31, 2016
3
96
Solar cells turn sunlight into electricity, but they're only about 20 percent efficient. Much of the leftover energy turns into heat, which actually harms the solar cell.
Optics & Photonics
May 6, 2016
7
545
In a new paper published in the Nanoletters journal, scientists from the University of Valencia point to a new family of materials with promising applications in solid-state cooling.
Nanomaterials
May 2, 2016
0
9
Turn on an electric field, and a standard electrocaloric material will eject heat to its surroundings as its internal dipoles reorder themselves. Do the same thing, and a negative electrocaloric material will absorb heat, ...
General Physics
Apr 5, 2016
0
549
Ten images and two videos by University of Wisconsin-Madison students, faculty and staff have been named winners of the 2016 Cool Science Image contest.
Other
Mar 17, 2016
0
4
Thousands of electrical components make up today's most sophisticated systems – and without innovative cooling techniques, those systems get hot. Lockheed Martin is working with the Defense Advanced Research Projects Agency ...
Engineering
Mar 9, 2016
0
60
Cooling is a hugely important process in today's world. But how can cooling be carried out in future in a way that does not harm the climate and that helps to conserve natural resources? The approach taken by Professors Stefan ...
Energy & Green Tech
Feb 2, 2016
0
26
It is well established that white roofs can help mitigate the urban heat island effect, reflecting the sun's energy back into space and reducing a city's temperature under normal weather conditions. In a new study of Guangzhou, ...
Environment
Dec 22, 2015
1
388
Underground heat islands in cities have an enormous geothermal potential. Warm groundwater can be used to produce sustainable energy for heating and cooling. Researchers of Karlsruhe Institute of Technology (KIT) have now ...
Environment
Dec 21, 2015
0
20
The electric grid has to balance power supply and demand nearly in real-time, requiring power plants to be adjusted on a second-by-second basis. This instantaneous balance is made significantly more complex by renewable energy ...
Energy & Green Tech
Dec 15, 2015
5
34
