Award-winning A/C uses old idea, new materials

If thirst is crucial to knowledge, then one crucial step in the evolution of air conditioning was born in the 1970s, when Ron Judkoff was a hot, thirsty Peace Corp volunteer in Kedougou, Senegal, one of the warmest places ...

Competing to create a more energy-efficient air conditioner

A University of California, Davis, challenge to build more energy efficient air conditioning has spurred a major global manufacturer to build a rooftop air conditioner that is 40 percent more energy-efficient than conventional ...

NASA satellite sees ghostly remains of vanishing Arctic Sea ice

Spooky spectral swirls of last season's sea ice drift in currents off the coast of eastern Greenland in this image from NASA's Aqua satellite, acquired on October 17. Although sea ice in the Arctic will start forming again ...

Nanotechnologists create minuscule soccer balls

Nanotechnologists at the University of Twente's MESA+ research institute have developed a method whereby minuscule polystyrene spheres, automatically and under controlled conditions, form an almost perfect ball that looks ...

NASA sees Hurricane Leslie's eye close

Hurricane Leslie appeared to "close its eye" on NASA satellite imagery as the storm heads east of Bermuda, like a little girl shutting her eyes tight on a wild amusement ride. Often when an eye becomes cloud-filled, its a ...

When the grass isn't always greener

Worries about Pennsylvania facing a severe drought seem to have faded with recent rainstorms, but the question of how to care for your lawn during this summer's heat is still important.

Dramatic changes spotted in HD 189733b exoplanet atmosphere

(Phys.org) -- Astronomers using the NASA/ESA Hubble Space Telescope have seen dramatic changes in the upper atmosphere of a faraway planet. Just after a violent flare on its parent star bathed it in intense X-ray radiation, ...

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