4steps from the big bang
120things can go into it
pencil
ProductObject
A famous 1958 essay, "I, Pencil", pointed out that no single person on Earth knows how to make one from scratch.
First appearedc. 1565 (461 yrs ago)
Made Of
Everything is made of something.← What it takes
What it leads to →
Nothing on this map is built from it yet.
A famous 1958 essay, "I, Pencil", pointed out that no single person on Earth knows how to make one from scratch.
From the big bang to pencil
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
Hhydrogen13.8 bn yrs ago
water4.4 bn yrs ago
claydate unknown
pencilc. 1565