Gadgets & Gizmos: Fish doorbells, turning lead into gold & speeding ducks

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In Utrecht, says Steve Caplin, they've installed a fish video doorbell so the lockkeeper can open the lock for spawning fish. Scientists have managed to turn lead into gold but, even with the Large Hadron Collider, they only produced 29 picograms. There's a way of adding three extra screens to your laptop. Audible are to use AI to narrate audiobooks. Fusion scientists think they can cut the time taken to get to Mars by two-thirds. A dead man testified at the trial of his murderer in Arizona. And a duck has been caught speeding by a radar trap in Switzerland, for the second time in seven years. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Episode metadata supplied by the publisher feed · Published May 19, 2025

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Gadgets & Gizmos: Fish doorbells, turning lead into gold & speeding ducks

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