Engineering

'Impossible' millimeter wave sensor has wide potential

Researchers at the University of California, Davis, have developed a proof-of-concept sensor that may usher in a new era for millimeter wave radars. In fact, they call its design a "mission impossible" made possible.

Energy & Green Tech

How pre-cooling homes could dramatically reduce energy usage

It's a typical, sweltering August day in Los Angeles, with temperatures pushing 95° downtown. When people get home from work in the late afternoon, the first thing they do is crank up the AC to cool their overheated homes.

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