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News tagged with roofs

Color-changing roof tiles absorb heat in winter, reflect it in summer

(PhysOrg.com) -- Anyone who has ever stepped barefoot onto blacktop pavement on a hot sunny day knows the phenomenon very well: Black surfaces absorb the sun's heat very efficiently, producing a toe-scorching ...

Technology / Engineering

created Oct 08, 2009 | popularity 4.5 / 5 (23) | comments 9

BASF, Philips develop OLED lighting for use as transparent car roof

(PhysOrg.com) -- BASF and Philips have achieved a practical breakthrough in the development of OLED (Organic Light Emitting Diode) technology that allows it to be integrated in car roofs. The OLEDs are transparent ...

Technology / Hi Tech & Innovation

created Jan 19, 2012 | popularity 5 / 5 (6) | comments 7 | with audio podcast

Urban 'heat island' effect is a small part of global warming; white roofs don't reduce it

Cities release more heat to the atmosphere than the rural vegetated areas around them, but how much influence these urban "heat islands" have on global warming has been a matter of debate. Now a study by Stanford researchers ...

Space & Earth / Environment

created Oct 19, 2011 | popularity 2.9 / 5 (14) | comments 68 | with audio podcast

Solar panels keep buildings cool

Those solar panels on top of your roof aren't just providing clean power; they are cooling your house, or your workplace, too, according to a team of researchers led by Jan Kleissl, a professor of environmental ...

Technology / Energy & Green Tech

created Jul 18, 2011 | popularity 5 / 5 (6) | comments 7 | with audio podcast

Science looks to poplar trees for 'cool roof' technology

(PhysOrg.com) -- For as long as humans have been able to reason, they have mimicked nature in attempts to derive benefits for themselves; and just because we’ve become ultra-high tech in many ways, it ...

Chemistry / Materials Science

created Mar 21, 2011 | popularity 4.2 / 5 (5) | comments 0 | with audio podcast weblog

Efficacy of cool roofs varies from city to city

(PhysOrg.com) -- While cool roofs and pavements have been found to cool the planet by preventing energy from being radiated back into the atmosphere, previous studies have not accounted for atmospheric feedbacks ...

Space & Earth / Environment

created Jul 27, 2011 | popularity 4.3 / 5 (4) | comments 5 | with audio podcast

New 'smart' roof reads the thermometer, saves energy in hot and cold climates

Top a building with a light-colored "cool roof," and it reflects sunlight, cutting air conditioning bills in summer, but increasing winter heating costs. Choose black shingles, and the roof soaks up sunlight ...

Chemistry / Materials Science

created Mar 22, 2010 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

Solar panels cause clashes with homeowner groups

(AP) -- The government wants you to install solar panels at your house, and will even give you a tax break to do it. But your neighbors? Maybe not.

Technology / Energy & Green Tech

created Apr 25, 2012 | popularity 3 / 5 (2) | comments 14

There's no one-size-fits-all green roof, studies show

Green roofs – rooftops covered with a layer of vegetation–are getting a lot of credit for providing environmental benefits. They have been found to reduce storm water runoff from buildings, conserve ...

Space & Earth / Environment

created Apr 25, 2012 | popularity 5 / 5 (2) | comments 0

Computer model demonstrates that white roofs may successfully cool cities

Painting the roofs of buildings white has the potential to significantly cool cities and mitigate some impacts of global warming, a new study indicates. The research, which is the first computer modeling study to simulate ...

Space & Earth / Earth Sciences

created Feb 01, 2010 | popularity 3.8 / 5 (8) | comments 5 | with audio podcast

Global model confirms: Cool roofs can offset carbon dioxide emissions and mitigate global warming

(PhysOrg.com) -- Can light-colored rooftops and roads really curb carbon emissions and combat global climate change? The idea has been around for years, but now, a new study by researchers at Lawrence Berkeley ...

Space & Earth / Environment

created Jul 19, 2010 | popularity 4.4 / 5 (13) | comments 6 | with audio podcast

Now you can determine the solar efficiency of your roof

It is becoming more and more common to install solar panels on roofs in order to obtain green electricity, but not all roofs are equally suitable. Scientists from the University of Gothenburg, Sweden, have ...

Technology / Energy & Green Tech

created Oct 17, 2011 | popularity 5 / 5 (1) | comments 0

Sharp to sell solar power systems applicable to various roofs

Sharp Corp. said Tuesday it will release a home-use solar power generation system in April that can be installed on a wide range of roof shapes with various roof surface areas.

Technology / Energy & Green Tech

created Mar 03, 2009 | popularity 3.4 / 5 (10) | comments 5

How green are green roofs?

Covered with a growing medium and plants, green roofs can benefit a building's insulation, control storm-water drainage and remove pollution from the air, as well as provide wildlife habitats.

Biology / Ecology

created Sep 21, 2011 | popularity 4 / 5 (4) | comments 1

CCNY's solar roof pod showcases innovative technology

A unique structure in the urban landscape has arisen on a plaza of The City College of New York campus over the past few months. Designed and built by CCNY students, faculty and team sponsors, it is meant ...

Technology / Energy & Green Tech

created Sep 07, 2011 | popularity 5 / 5 (2) | comments 0