4steps from the big bang
119things can go into it
cardboard
MaterialSubstance
Corrugated cardboard was first patented in 1856, as a lining for tall hats.
First appeared1856 (170 yrs ago)
Corrugated cardboard was first patented in 1856, as a lining for tall hats.
Corrugated cardboard was first patented in 1856, as a lining for tall hats.
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.