the.com/atoms
Reality's pixels: mostly empty space pretending very convincingly to be solid stuff.
means The basic units of matter, each a nucleus of protons and neutrons orbited by electrons.
from From Greek atomos, the uncuttable — coined when philosophers bet matter had a smallest piece. They were right about the idea, wrong about the name: we cut them anyway.
Mostly nothingOver 99.9999 percent empty space inside.
Old recyclersYour atoms are billions of years old.
Star forgedHeavy atoms born in dying stars.