Changespotting
Rachael McKinnon rounds up the best the web has to offer

The Kindle goes to school

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Students in Ghana may one day have unlimited access to many of history's great literary texts now that trials of the Kindle e-reader, as opposed to donated hard-copy books, are being introduced to the country's schools.

Researchers may have just plucked the answer to eco-fuels out of thin air as they discover that cars could run on just that - well, the nitrogen gas part to be precise. Here's some more information about the soy bean enzyme that can convert carbon monoxide into fuel.

Meanwhile, environmentally-conscious designers are returning to nature. Rinse off as Mother Earth really intended using this foliage-filled eco-shower.

Touch screens have truly made the transition from such modest origins as dinosaur exhibits in dark museum corners to mainstays of every savvy technophile's daily life.

But is a touch-screen vending machine, as seen in Tokyo, taking things too far?

If you're tired of staring blankly at the shelves in the supermarket because you can't make up your mind, perhaps an augmented reality meta-cookie is what you need? Just take one plain biscuit and let technology and the power of suggestion do the rest!

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