by Professor Leonard Maunder
The Royal Institution's 154th Annual
Christmas Lectures for Young People.
A six-part series on why and how things move, especially machines. 3: Vibration
We speak and hear by the vibrations of air as sound waves, but to engineers vibration can be dangerously destructive. As machines grow in size and power, their designers have to assess and counter their tendency to self-destruction.
(Fourth programme: tomorrow 3 30)