Steve Caplin talks tech with Simon Rose. Greek scientists have been working out how to fry chips in space, there's an ultra-wide gaming monitor, a TV you can take to the beach, AI is helping to create the final Beatles song, the UK is trialling smart lampposts and hopes to beam power from space, geothermal power takes a leap forward, there could be a way of abolishing most food waste and NASA hopes to find a way to mine an asteroid.

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