Share Radio's technology editor gives us the low-down on high-tech. There's Hertz ordering 100,000 Teslas, just as 12,000 are recalled, how SpaceX's astronauts are coping with a lavatory leak, the 20th anniversary of the music revolution sparked by the iPod, the scientists who have found a way to make wooden knives that are 3 times sharper than steel, a hover bike arriving next year that will set you back a mere half a million pounds and Steinway's innovation that will enable pianos to play remotely.
