Telephone exchanges or central offices - the data centers of their day - worked on DC, and our lead image is of a central office in a US military installation. “A rectifier plant would take AC power .

The District of Columbia, located on the north bank of the Potomac River, is the capital city of United States. The centers of all three branches of the U.S. federal government are located in the ...

DENVER — About 6,200 Xcel Energy customers in Colorado were still without power as of 7 a.m. Tuesday, according to the utility's outage map. Xcel was working to restore power after more than ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

Use your 2.5" / 3.5" SATA I / II / III as an additional external hard drive.This USB3.0 to SATA adapter supports up to 18TB hard drive. High speed USB 3.0 specification and backward compatible ...

Whether you want a cutting-edge phone or a more affordable option, we tested the best from Apple, Samsung, Google and more. Andrew is CNET's go-to guy for product coverage and lead photographer ...

UL-Listed, Power Cord with Tips, AC 100-240V to DC 12V 1A for LED Strip Light, Camera, Router, Donner DPA-1 Guitar Pedal Power Supply Adapter 9V DC 1A Tip Negative Way Daisy Chain Cables for ...