David HoA person on a bicycle is by far the most energy-efficient among animals and machines per distance traveled relative to body weight. The bicycle is magic.
iamBullivant@davidho A helicopter or a jet fighter is more 'efficient' that a fruit fly or a bee? Really?
Theriac@bullivant @davidho
They only carry themselves, while helicopters can carry more people? We'd need more context to figure out the metrics.
They only carry themselves, while helicopters can carry more people? We'd need more context to figure out the metrics.