American science after colonization
European trade goods (thanks to Nebraska Game and Parks Division) North American people made rapid scientific advances in the course of the 1500s AD, inspired by contacts with traders and [...]
European trade goods (thanks to Nebraska Game and Parks Division) North American people made rapid scientific advances in the course of the 1500s AD, inspired by contacts with traders and [...]
Model of Indian cotton gin (1100s AD) How did people get the seeds out of cotton? When people in India first started to grow cotton, they picked the seeds out [...]