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Fat-powered laptop (iphone, etc) plugs into your stomach and makes you lose weight.

A screen-less laptop that projects images into the mind so as not to make us all blind

That rhymed!

Amazing.

Or a windup netbook?

The next generation of Intel mobile chips are supposed to run on one watt. They already sell windup flashlights that run on one watt.

I totally bought a wind-up OLPC laptop last Christmas, with one extra feature: vaporware crank.

I've attempted to use a windup flashlight with a 12v port to recharge my iPhone; I get about one minute of 3g use for 5 minutes of winding. Now, if you had a footpedal, or some other way you could charge it while using it, that'd work.

Kinetic Recharger for Laptops.

A laptop with a shake-to-recharge system. You can make them fit in your CD Drive bays. Since you carry your laptop around a lot, it's constantly moving, the kinetic-drive keeps on charging the battery.

Actually would be badass for cellphones (their ALWAYS being moved around).

Care to work out the numbers? I.e. how much power one get get from this?