Steve Caplin delves into the world of tech where driverless car rental has just been introduced in Milton Keynes, the cars being delivered by a remote operator. Sweaters are giving robots the sense of touch, Dyson's robot vacuum has 6 times the suck, there's a solution to mice devouring wheat seeds, a great new bird app, a smart cane for the blind, beaming energy from space to earth and progress towards getting astronauts to hibernate.