4steps from the big bang
116things can go into it
screw
ComponentPart
Screws were made by hand until the 1760s, so each one was slightly different.
First appearedDate not yet known
Made Of
Everything is made of something.← What it takes
What it leads to →
Made from
Goes into
Screws were made by hand until the 1760s, so each one was slightly different.
From the big bang to screw
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
screwdate unknown