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Gadgets & Gizmos: Dyson's electric mop, musical freezers and the world's largest spherical building
Steve Caplin is dismissive of a robot that can fold laundry – very slowly and possibly needing remote human operation. More impressive is the forthcoming Dyson PencilWash electric floor mop. He is in tune with the Co-op in Sheffield whose freezers are attracting people who like the C#major chord they play. Scientists at Vienna University have created the smallest ever QR code while Microsoft's aim to store data on glass that will last millennia might have a small flaw. Steve explains why some video doorbells don't spot nefarious activity. There's a military-grade smartphone with thermal…
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