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What Is...every file format in the world - A through E. Wearable Computers Could Help Build A Better You. In 1961, Claude Shannon and Edward Thorp built the world's first wearable computer.

Wearable Computers Could Help Build A Better You

The cigarette-pack-size device tracked the speed of a roulette wheel and sent tones via radio to a gambler's earpiece to help predict where the ball would land. The goal of wearable computers hasn't changed much since. Like Shannon and Thorp's system, Google Glass and other head-up displays (HUDs)—from companies including Vuzix and Epson—are intended to heighten a person's awareness. Save All Around by Powering Your Computer Down. Experts discuss the costs of powering your computer down vs. leaving it in standby mode.

Save All Around by Powering Your Computer Down

Having to boot up your computer each time you want to use it can be inconvenient, but keeping it in sleep mode may not be the best alternative. The sleep mode on your computer is designed to keep the machine on while drawing a small amount of power. This only costs about $50 more per year on your electric bill, which seems low, but the true cost of leaving it in this mode may actually be higher. According to our experts, you shouldn't leave your computer on standby if you're going to be away for more than an hour.

Doing so can result in more harm that good. Atomic-scale magnetic memory. The world's smallest bit Scientists from IBM Research have been investigating and controlling matter on an atomic scale for decades.

Atomic-scale magnetic memory

So, naturally, their latest quest would involve greatly decreasing the storage capacity needed for one bit of data, which on today's computers stands at about 1 million atoms. They set out to develop the ultimate memory chips of the future. The Best PCs You Can Build for $600 and $1200.