Grain of Sand to Logic Gate
From the biggest things we know, down to one atom, then back up into a thinking machine.
What is everything made of?
Drag the dial. Start as big as we can see, and zoom all the way down.
Cosmic webAtom
Same pieces, every size. A galaxy, a grain of sand, a chip, and you are all built
from the same tiny , just arranged
differently. Learning to arrange them on purpose is the whole adventure.
🔭 A real rhyme (the cool part)
The gravity that holds planets around the sun and the electric pull inside an atom follow
the same math: twice as far away, one quarter the pull. That is why people first drew the
atom like a tiny solar system. The real atom turned out fuzzier and stranger, but the guess was
a good one.
Refine the rock
Sand is already half a computer. Tap each step to finish it.
Start at the sand. Each tap pulls it one step closer to a chip.
New words:
Build a switch
A chip is millions, even billions of tiny switches. Here is one. Flip it.
A is a switch with no
moving parts. A small voltage at the "gate" lets a bigger current flow, or stops it. That doped
you just made is what does it.
Light your first bit
Two switches in, one light out. Pick a rule, flip the inputs, then see it as code.
Output
off · 0
That light is a : on or off, 1 or 0. Stack
millions, even billions of these
and you get every game, every message, every mind made of code. Including the one you are talking to.
← The Foundry · every fact here is real science, kept simple. Tap the underlined words to dig deeper.