News tagged with heat

Related topics:

New materials for future green tech devices

From your hot car to your warm laptop, every machine and device in your life wastes a lot of energy through the loss of heat. But thermoelectric devices, which convert heat to electricity and vice versa, ...

Jul 15, 2014
5 / 5 (8) 0

London heat boost underestimated

London's urban heat island effect, which keeps night-time temperatures in the capital warmer than in surrounding rural areas, may have been underestimated by up to 45 per cent.

Jul 14, 2014
5 / 5 (3) 0

Urban heat—not a myth, and worst where it's wet

A new Yale-led study quantifies for the first time the primary causes of the "urban heat island" (UHI) effect, a common phenomenon that makes the world's urban areas significantly warmer than the surrounding ...

Jul 09, 2014
4.9 / 5 (27) 143

Recuperating waste heat under the hood

For his semester project in mechanical engineering, Eliott Guenat studied the best way to recuperate waste heat from a car's engine. The challenge is figuring out how to incorporate the heat exchangers micro-turbomachines.

Jul 09, 2014
4.8 / 5 (5) 2

Harvesting energy from devices

If there's one thing nearly all modern technology has in common, it's heat. Whether it's your car, computer, television, or even refrigerator, they all generate large amounts of heat. And nearly all of it ...

Jul 04, 2014
4.2 / 5 (13) 0

Straw albedo mitigates extreme heat

Wheat fields are often tilled immediately after the crop is harvested, removing the light-coloured stubble and crop residues from the soil surface and bringing dark bare earth to the top. Post-harvest tilling ...

Jun 23, 2014
3.8 / 5 (5) 0