Smarter electric grid could be key to saving power

(AP) -- The glowing amber dot on a light switch in the entryway of George Tsapoitis' house offers a clue about the future of electricity.

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<p><a href="http://www.physorg.com/news129131776.html">Smarter electric grid could be key to saving power</a></p> <p>(AP) -- The glowing amber dot on a light switch in the entryway of George Tsapoitis' house offers a clue about the future of electricity.</p>