Every movement involves friction. Lubricants may reduce it, brake pads aim to maximise it, but what actually is going on? And could we ever get rid of friction completely? Show more
Discover 11,128,835 listings and 277,885 playable programmes from the BBC
Every movement involves friction. Lubricants may reduce it, brake pads aim to maximise it, but what actually is going on? And could we ever get rid of friction completely? Show more