4 ms·
True. Flawed as any analogy, but cars don't need animal-like legs, wheels are more efficient and they are not well-represented in nature.
by _random_ 12y ago
True. Flawed as any analogy, but cars don't need animal-like legs, wheels are more efficient and they are not well-represented in nature.
- coldtea 12y agoOnly if roads exist.
- Houshalter 12y agoFish and birds don't use propellers or jets.
- coldtea 12y agoWell, fish use their tails as propellers.