Noguchi leads regular cleaning trips with volunteers up Mount Fuji and has removed everything from a 27-inch television set and a computer monitor to car batteries.

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In another set of tests last year, the FAA caused lithium batteries in a laptop computer to ignite in the cockpit of a Boeing 737 jet.

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Dr Pyykko and his colleagues made two versions of a computer model of how lead-acid batteries work.

ECONOMIST: Einstein and car batteries

Since batteries, solar panels and computer components are all DC devices anyway, efficiency is increased and less power is lost along the way.

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There's speculation that Apple's new line of "retina display" laptops aren't easily recyclable because their batteries are glued to the aluminum case on the computer.

CNN: Apple abandons green certification

Even the simple act of replacing batteries in the TV remote control or mouse on the computer, or changing a light bulb can be impossible and incredibly frustrating for them.

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An operating system to manage batteries would work much like an operating system for your computer or cell phone: it coordinates the communications between the hardware and the apps to make sure the various programs, such as those for taking photos and browsing the Internet in the case of cell phones, are running well and do not interfere with each other.

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Officers also recovered an electronic strip containing batteries and a camera, and a black bag being carried by Sorin contained a computer device.

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