Gadgets & Gizmos: Aggressive chess robots, e-Jerry cans & wrapping bridges in foil

Tech maven Steve Caplin tells Simon Rose about the chess robot that broke a 7-year-old opponent's finger. There's also an explanation of why Hammersmith Bridge was wrapped in foil, a hydrofoil creating hydrogen, the privacy dangers of TikTok, why BMW owners need to pay more for heated seats, an e-Jerry can if you run out of charge and serving court papers using non-fungible tokens. Learn more about your ad choices. Visit podcastchoices.com/adchoices