This article was originally published with the title “ Non-Euclidean Geometry before Euclid ” in Scientific American Magazine Vol. 221 No. 5 (November 1969), p. 87 doi:10.1038 ...

This profound development is explained by analogy with non-Euclidean geometry In 1963 it was proved that a celebrated mathematical hypothesis put forward by Georg Cantor could not be proved.

Formed on the campus of Washington University, Non-Euclidean Geometry is a band whose members are still youngins, and as the name suggests, its sound is tough to pin down. The band layers singer ...