Atoms have a nucleus, made of protons and neutrons bound together. Around this nucleus shells of electrons spin, and each shell is either full or trying to get full, to balance with the number of protons-to balance the number of positive and negative charges. An atom is like a human heart, you see.
Kim Stanley RobinsonBeauty was the promise of happiness, not happiness itself; and the anticipated world was often more rich than anything real.
Kim Stanley RobinsonThe sky itself is the eighth color of the rainbow, spread over the whole sky for us, all the time.
Kim Stanley Robinson