1 июл 1850 г. - Discovery of Infrared Radiation (William Herschel)
Описание:
A type of electromagnetic radiation with wavelengths longer than visible light, but shorter than microwaves, infrared energy can also reveal objects in the universe that cannot be seen in visible light using optical telescopes.Добавлено на ленту времени:
Дата:
1 июл 1850 г.
Сейчас
~ 175 г назад