Mobile phone manufacturers, Nokia have filed a patent for a self-regenerating phone battery which will essentially harvest kinetic energy. The technology has already been used in laptop, PDA and GPS receivers, however Nokia want to use this to power part of their mobile phone devices to harvest “piezoelectric kinetic energy”. So if Physics wasn’t your [...]

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How familiar is this scenario: you’re out with friends when your other half calls to see how your night is going. You promise to ring them before you jump on the last train home and even end the conversation with, “Yes of course. I promise this time I’ll call you!” When you finally make it [...]

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