THERE are few fallacies which have done more to mislead the unscientific public than the misconception known as the fourth dimension. The use of this term is calculated to convey the false impressions ...

THE fourth dimension and non-Euclidean geometry have achieved a prominence quite unprecedented for mathematical topics. In train, bus and tram, over lunch and at the theatre, intelligent man is ...

Scientific American is the authority on science and technology for a general audience, with coverage that explains how research changes our understanding of the world and shapes our lives. First ...