3 ideas from Niels Bohr, each explained in a minute and credited to the original work. Free on Savvy.
Classical physics said an orbiting electron should radiate energy and crash into the nucleus in an instant, which plainly doesn't happen. In 1913 Niels Bohr proposed that electrons…
— Niels Bohr, On the Constitution of Atoms and Molecules
In 1913, Niels Bohr proposed that an atom's electrons orbit its nucleus only at specific fixed distances, each with its own fixed energy, and that an electron jumping between orbit…
— Niels Bohr, On the Constitution of Atoms and Molecules
Fire light at two narrow slits and it builds up an interference pattern, like overlapping ripples on a pond — clear wave behavior. Fire it one photon at a time and each one lands a…
— Niels Bohr, The Quantum Postulate and the Recent Development of Atomic Theory