Autor: Voldemar Smilga

This is a popular book that chronicles the historical attempts to prove the fifth postulate of Euclid on parallel lines that led eventually to the creation of non-Euclidean geometry. To absorb the ma …

This popular book on special relativity was first published in Moscow back in 1961 under the Russian title ‘Очевидное? Нет, ещё неизведанное’, which can be roughly translated as ‘Is it evident? No, i …