1 янв 950 г. - Al-Haytham
Описание:
Al-Haytham he used ptolemys reasearch to realise that all light is reflected off objects and the light that has been reflected reaches our eyes and gives us an image of the object.Добавлено на ленту времени:
Дата:
1 янв 950 г.
Сейчас
~ 1076 г назад