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Enlisting distributed energy devices to balance the power grid

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 ...

Video: Moderating extremes in building design

Leon Glicksman designs buildings with an eye toward improved energy efficiency, and, like many of his MIT colleagues, he brings with him a high-tech portfolio. He develops aerogel panels to improve insulation and software ...

Cooling massive objects to the quantum ground state

Ground state cooling of massive mechanical objects remains a difficult task restricted by the unresolved mechanical sidebands. Now researchers have proposed an optomechanically-induced-transparency cooling scheme to achieve ...

Drive system saves space and weight in electric cars

Siemens has developed a solution for integrating an electric car's motor and inverter in a single housing. Until now, the motor and the inverter, which converts the battery's direct current into alternating current for the ...

Astronauts complete rare Christmas Eve spacewalk

Space station astronauts repaired a crippled cooling system during a rare Christmas Eve spacewalk Tuesday, braving a "mini blizzard" of noxious ammonia as they popped in a new pump.

NASA orders urgent spacewalk repairs at station

NASA has ordered up a series of urgent spacewalks to fix a broken cooling line at the International Space Station, a massive repair job that could stretch to Christmas Day.

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