Gadgets & Gizmos: Disguising cold call voices, paper batteries & an affordable e-bike

Steve Caplin points out that Apple Intelligence isn't always particularly bright. Indian call centre voices could soon be disguised "to build a more understanding world". Citibank's $81 trillion mistake. Paper batteries might replace lithium. Limitless thermal energy comes a step closer. HarmBlock could stop children seeing what they shouldn't on phones. Scientists trying to produce a woolly mammoth have created a woolly mouse. Humanoid robots working in pairs can now put away items they've never seen before. There's an impressive affordable new e-bike. And scientists have worked out how to grow teeth. Learn more about your ad choices. Visit podcastchoices.com/adchoices