Today we know that there is something more fundamental than earth, water, air, and fire...
By convention there is color, By convention sweetness, By convention bitterness, But in reality there are atoms and space. -Democritus (c. 400 BCE)
Around 1900, people thought of atoms as permeable balls with bits of electric charge bouncing around inside.
Around 1900, people thought of atoms as
permeable balls with bits of electric charge bouncing around inside.