4steps from the big bang
115things can go into it
blast furnace
ProductTool
A blast furnace runs day and night, often for many years, stopping only when its heat-proof lining wears out.
First appearedc. 500 BCE
Made Of
Everything is made of something.← What it takes
What it leads to →
Used to make
A blast furnace runs day and night, often for many years, stopping only when its heat-proof lining wears out.
From the big bang to blast furnace
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
blast furnacec. 500 BCE