Gadgets & Gizmos: Underwater bikes, robotic shoes, Bill Gates' unused megayacht & knifeless knives

Steve Caplin delves into the world of gadgets. You can swim faster with an underwater bike or the thrusters of the Jetdrive Pro. You can speedwalk with Moonwalker robotic shoes. There's an electric quadricycle and a personal flying system. You can now strap bike clips to your shoes. If you're after a megayacht, Bill Gates is selling his – unusued. The new Swiss Army Knife has no blades. And accountants BDO will no longer be doing Zoom interviews to cut down on cheating. Learn more about your ad choices. Visit podcastchoices.com/adchoices