Mighty Power: How a Theory of the Microcosm Changed Our World
It all started with three problems:
In 1900 Max Planck found himself unable to explain that so-called black bodies emit energy not in arbitrary quantities, but rather in “energy packets” of a certain size.
In 1905 Albert Einstein was forced to conclude that light is both wave and particle.
In 1912 Ernest Rutherford discovered in a startling experiment that the atom consists of a nucleus of protons with electrons orbiting around it; however, according to the laws of classical physics this should not be possible.