This little robot swims through pipes and finds out if they’re leaking
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Lighthouse, U.S. winner of the James Dyson Award, looks like a badminton birdie and detects the suction of water leaving pipes–which is a lot of water that we could put to better use.
In the U.K., where some reservoirs ran dry this summer after heat waves and a lack of rain, more than 3 billion liters of water leaks from pipes every day. In Delhi, India, as much as 40% of water is lost to leaks. In California, where residents tried to cut water use at the height of a six-year drought, around 10% of water in cities leaks before it ever reaches homes.