The LightSpeaker, which comes complete with a dimmable LED bulb and full-range speaker, fits 5- and 6-inch recessed light fixtures with a standard Edison socket.

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On the bottom, there's a standard tripod socket, an SD card slot and a battery compartment, complete with an 875mAh LP-E12 cell (replacements should run you about 75 bucks).

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The B-Class Electric Drive can be recharged at any standard household power socket.

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What's more, the magnetic power port is larger than the standard micro-USB socket you'll find on most other ARM-based tablets.

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The Chevy Volt is driven by electric motors powered by lithium-ion batteries that are charged by plugging the vehicle into a standard 110-volt socket.

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They have done that by implementing with HTML5 Web socket, so it is an industry standard.

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Powerline uses industry-standard HomePlug AV technology to turn any home wall socket into a network connection.

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