Mobile devices Toolkit

In pictures: One Laptop Per Child

Rupert Goodwins ZDNet.co.uk

Published: 06 Dec 2006 10:37 GMT

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The original idea of having a human-powered generator in the laptop has been dropped as impracticable, but it's still necessary to have an alternative to mains or batteries. This is a sketch of a hand-held generator where power is produced by pulling the ring and the main body apart. A small girl can generate around 10 watts, a burly boy about 20-25W. As the OLPC takes 2W, this gives between 5 and 10 times the computing time as spent charging it.

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Featured Talkback

Put simply, what is the compelling reason to pay ~$200 extra for an Eee with Windows XP? A Windows Eee won't come with any useful applications and you'll have to buy anti-virus software to boot. The truth about low cost computing is that nobody really cares whether the machine is running Windows or Linux as long as its cheap, its easy to use and it works.