Tech maven Steve Caplin discusses cosmic concrete using Martian soil and astronauts' body fluids. Also MooLoos, training cows to pee environmentally soundly, hydrogen-powered, autonomous freight submarines, the idea of all homes and offices having to have charging points, the rifle that can shoot round corners, AR-equipped swimming goggles, a wireless portable hydrojet cleaner and the iPhone 13.

Guests: Steve Caplin

Published: Thu 16 September 2021