Builders of Victorian pumping engines understood the virtues of the flywheel, as do designers of modern energy-efficient vehicles. But how much energy is there going round?
(R)
(to 0.40)
Discover 11,128,835 listings and 281,728 playable programmes from the BBC
Builders of Victorian pumping engines understood the virtues of the flywheel, as do designers of modern energy-efficient vehicles. But how much energy is there going round?
(R)
(to 0.40)