دانلود کتاب آموزشی برای دستخط

Physicist, Scientist (1879–1955)Albert Einstein was a German-bo physicist who developed the general theory of relativity, among other feats. He is considered the most influential physicist of the 20th century.QUOTES“The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it.”—Albert Einsteinxa0 ادامه مطلب...

ادامه مطلب