4steps from the big bang
116things can go into it
chain
ComponentPart
A bicycle chain transfers almost all of your pedalling energy to the wheel.
First appearedDate not yet known
Made Of
Everything is made of something.← What it takes
What it leads to →
Made from
Goes into
A bicycle chain transfers almost all of your pedalling energy to the wheel.
From the big bang to chain
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
chaindate unknown