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A New Wildfire Watchdog

Cars That Think

A much better way to conserve battery power would be to use none of it at all until the system actually had important data to transmit. The system would remain in an ultralow-power sleep mode, or even an open-circuit mode, with no current flowing, until the sensor itself detected an important signal.

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Coming Soon – The Electric City

Revenge of the Electric Car

SAN FRANCISCO — If electric cars have any future in the United States, this may be the city where they arrive first. Some transportation experts are skeptical that electric vehicles will catch on anywhere in the country, in large part because the batteries and the installation of home recharging units are expensive. February 15, 2010.