News tagged with solar heat

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Quantum physicists turn waste heat into power

(PhysOrg.com) -- University of Arizona physicists have discovered a new way of harvesting waste heat and turning it into electrical power. Taking advantage of quantum effects, the technology holds great promise ...

Sep 24, 2010
4.7 / 5 (38) 35 | with audio podcast

Solar power generation around the clock

(PhysOrg.com) -- A Californian company, SolarReserve, is developing a solar power system that can store seven hours' worth of solar energy by focusing mirrors onto millions of gallons of molten salt, allowing ...

Nov 05, 2009 weblog
4.5 / 5 (33) 15

Getting more electricity out of solar cells

(Phys.org) —When sunlight shines on today's solar cells, much of the incoming energy is given off as waste heat rather than electrical current. In a few materials, however, extra energy produces extra electrons—behavior ...

May 07, 2014
4.9 / 5 (23) 1

'Missing' heat may affect future climate change

Current observational tools cannot account for roughly half of the heat that is believed to have built up on Earth in recent years, according to a "Perspectives" article in this week's issue of Science. Scientists at the ...

Apr 15, 2010
3.4 / 5 (24) 27 | with audio podcast

Primordial dry ice fuels comet jets

One of the biggest comet findings coming out of the amazing images and data taken by the University of Maryland-led EPOXI mission as it zipped past comet Hartley 2 last week is that dry ice is the 'jet' fuel ...

Nov 10, 2010
4.9 / 5 (15) 4 | with audio podcast