Photoelectric effect
principle · 1887 · Electric age
Light knocking out electrons (Hertz, Stoletov; explained by Einstein).
Principles and materials it uses
- Electron — uses. Electrons are knocked out.
History: what it evolved from and what it influenced
- Quantum mechanics — evolved into. Quanta of light.
Things built in a similar way
- Photovoltaic effect — works like. The internal and external photoelectric effects.