Gadgets & Gizmos: Virtual swimming tests, cloning dead voices & the return of airships

Share Radio's tech expert Steve Caplin tells Simon Rose of the Chinese students who must take compulsory swimming tests to graduate and who are now having to do it online! Alexa is exploring cloning the voices of the dead, IKEA is producing an app that lets you remove your existing furniture, the police now have contactless fingerprinting, there's an autonomous truck with no cab, a mysterious moon crater, passenger-carrying airships and Philips are crowdfunding an ultra-short-throw projector. Learn more about your ad choices. Visit podcastchoices.com/adchoices