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A New Wildfire Watchdog

Cars That Think

Pause for a moment to look at the smoke detector in the room where you're sitting and think about the last time you changed its battery. A sensor network that could monitor an entire forest, or a gas pipeline, or any critical infrastructure, would need thousands or even millions of sensors—and batteries.

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Coming Soon – The Electric City

Revenge of the Electric Car

Cities Prepare for Life With the Electric Car. In nearby Silicon Valley, companies are ordering workplace charging stations in the belief that their employees will be first in line when electric cars begin arriving in showrooms. Cities Prepare for Life With the Electric Car. Photo by Jim Wilson, New York Times.