- cross-posted to:
- insanepeoplefacebook@lemmy.world
- cross-posted to:
- insanepeoplefacebook@lemmy.world
Can someone tell me what Darwin theory is? Is it related to thermodynamics? Does it have something to do with the way a foot leaves an impression in a mud brick?
well gears were used I think 1000 BC in China so almost 4000 years ago?
Sorry, you are correct. I was thinking toothed gears.