Gadgets & Gizmos: Airships & Hydrogen Engines.

In the week of COP 26, we re-visit an episode from May '21 in which Steve Caplin, Share Radio's technology editor, looks at Google's 3D video chat system, the return of airships, Einstein's e-mc squared letter, the installation of the swimming pool 35 metres high, a hydrogen engine with only 20 parts, an electric Popemobile, an anti-hacking system, how a man blind for 40 years has recovered his eyesight, and a 3D-printed electric scooter; and he discovers just how prescient rocket scientist Wernher von Braun was in one of his science-fiction novels. Learn more about your ad choices. Visit podcastchoices.com/adchoices