4 ms·
well, a bird is a machine, as are we. a modern glider is a machine (and Lilienthal had flown prior to the quote). you need to specify what you think or don't t
by zabzonk 4y ago
well, a bird is a machine, as are we. a modern glider is a machine (and Lilienthal had flown prior to the quote).
you need to specify what you think or don't think is a machine. as kelvin should have done.
- mpweiher 4y ago> bird "The term is commonly applied to artificial devices,.." It seems he figured out that his audience was smart enough to figure out he wasn't deviating from common usage. And was mostly right. > Lilienthal Unpowered. "A machine is a physical system using power to apply forces and control movement to perform an action." https://en.wikipedia.org/wiki/Machine https://en.wikipedia.org/wiki/Machine Cheers.