21 март 1938 г. - The electron microscope is developed
Описание:
Ernst Ruska develops the electron microscope. The ability to use electrons in microscopy greatly improves the resolution and greatly expands the borders of exploration. He won a physics nobel prize for this in 1986Добавлено на ленту времени:
Дата:
21 март 1938 г.
Сейчас
~ 86 г назад
