Qualcomm Inc.

Got batteries? Outage stalls giant tech show in Las Vegas

What happens to all those internet-connected refrigerators, robots and other devices when the power goes out?

Thousands of people attending the world's biggest consumer technology show got a chance to test the battery life of the latest gadgets Wednesday when some showrooms and hallways went dark inside the vast Las Vegas Convention Center.

Power went out for about two hours at the annual CES tech show in Las Vegas. Sony, Samsung, Intel, Qualcomm and LG are among the companies with bigger booths in the convention center's Central Hall, the area that was most affected and evacuated during the blackout. Some meeting rooms in South Hall also lost power.

Dozens of...

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