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A Change To America's Power Grid Could Make Your Electric Clock Run Up To 20 Minutes Fast
Read more: http://www.businessinsider.com/powe...st-affect-traffic-lights-2011-6#ixzz1ZLHw11x8
http://www.businessinsider.com/power-grid-update-make-clocks-run-fast-affect-traffic-lights-2011-6
Read more: http://www.businessinsider.com/powe...st-affect-traffic-lights-2011-6#ixzz1ZLHw11x8
http://www.businessinsider.com/power-grid-update-make-clocks-run-fast-affect-traffic-lights-2011-6