4steps from the big bang
115things can go into it
cotton gin
ProductTool
Invented in 1793. It pulled the seeds out of cotton far faster than any hand could.
First appeared1793 (233 yrs ago)
Made Of
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Used to make
Invented in 1793. It pulled the seeds out of cotton far faster than any hand could.
From the big bang to cotton gin
The most direct chain from the start of the universe, following what things are made from and, for living things, what they evolved from. Each step shows when it first appeared.
big bang13.8 bn yrs ago
Hehelium13.8 bn yrs ago
CO2 laser1964
steelc. 1,800 BCE
cotton gin1793