Tonight a ship with legs that enables tourists in Hawaii to avoid treacherous waters when travelling from one island to another, afire alarm that guides people out of a smoke-filled building, and three more gadgets are put on trial. Presented by Peter Snow and Philippa Forrester, with Jez Nelson. Craig Doyle and Anya Sitaram. Producer Penny Southgate; Editor Saul Nasse
Stereo Subtitled
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