4steps from the big bang
192things can go into it
light bulb
ProductObject
An LED bulb uses about a sixth of the energy of an old filament bulb.
First appeared1879 (147 yrs ago)
Made Of
Everything is made of something.← What it takes
What it leads to →
2 ways to make it
Made from
Goes into
An LED bulb uses about a sixth of the energy of an old filament bulb.
From the big bang to light bulb
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
copper wiredate unknown
light bulb1879