4steps from the big bang
115things can go into it
shears
ProductTool
Hand shears for sheep have barely changed in 2,000 years.
First appearedc. 1,000 BCE
Made Of
Everything is made of something.← What it takes
What it leads to →
Made from
Used to make
Hand shears for sheep have barely changed in 2,000 years.
From the big bang to shears
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
shearsc. 1,000 BCE