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The Bio Battery imitates real life by using enzymes to break down the glucose to generate electricity.
Forgot your toothbrush while traveling? Starwood hotels says this little robot named "Botlr" will bring various items up to your room from the front desk. We're just happy it doesn't asking for a tip.
At Eco-Products 2011 show in Tokyo, Sony shows off a prototype battery that gets its power from shredded paper.