the.com/atom
mostly empty space pretending to be a solid universe, and somehow it convinced everything
means The smallest unit of a chemical element that still counts as that element, made of a dense nucleus of protons and neutrons orbited by electrons.
from From the Greek 'atomos,' meaning 'uncuttable' (a- 'not' + tomos 'a cutting,' from temnein 'to cut'). Ancient thinkers like Democritus imagined indivisible specks at the bottom of matter, and the name stuck — which became gloriously ironic once physicists started splitting the supposedly unsplittable.
- mostly nothing
- if nucleus were a marble, atom spans a stadium
- unsplittable lie
- Greek for indivisible, then we split it anyway
- old timer
- your atoms are nearly as old as the universe
- never touch
- you have never physically touched anything, ever
- forged in stars
- every heavy atom in you was born exploding
bohr model hydrogen atom — 1913: niels bohr's model of hydrogen with quantized electron orbits explained atomic spectra
carbon-12 — international standard for atomic mass unit defined as exactly 12 atomic mass units