4 июн 1879 г. - Albert Einstein
Описание:
Used Planck's quantum theory to come up with the photoelectric effect, which states that light has enough energy when shined on a metal to force the electrons out of their energy levels and reflect out onto the metal.Добавлено на ленту времени:
Дата:
4 июн 1879 г.
Сейчас
~ 146 г назад