3 ms·
Ornithopters have a long history[1] - but I meant "aircraft" at the scale of passenger jets. 1. https://en.wikipedia.org/wiki/Ornithopter https://en.wikipedia.
by sangnoir 8y ago
Ornithopters have a long history[1] - but I meant "aircraft" at the scale of passenger jets.
1. https://en.wikipedia.org/wiki/Ornithopter https://en.wikipedia.org/wiki/Ornithopter