His second paper was on the photoelectric effect, or the release of electrons from metal when light shines on it. Einstein used the very recent ideas of Max Planck to explain the phenomenon.

In fact, the research that earned him the Nobel Prize in 1921 (the photoelectric effect) was hugely instrumental in the development of quantum mechanics. But Einstein had major doubts about ...

"Einstein won the Nobel Prize for describing the photoelectric effect, but a hundred years later, we've only just begun to ...

The photoelectric effect can't be explained by classical physics, which saw light as a wave. Einstein proposed that we view ...

Albert Einstein won the 1921 Nobel Prize in Physics “for his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect” but is best known for his ...

Einstein was famous for his attitude to ... He was awarded the 1921 Nobel Prize for Physics for his explanation of the photoelectric effect and "for his services to Theoretical Physics." ...