For some time now, America’s neo-conservatives and Japan’s right-wingers beset with a menacing Cold War mentality have been peddling the idea of an “alliance of democratic countries” and ...

Physicists recently mapped the hidden shape that underlies the quantum behaviors of a crystal, using a new method that’s ...

A TEXT-BOOK for students who have already finished the straight line and circle: its contents are about equally divided between the conic sections and the geometry of three dimensions, finishing ...

There is also a brief appendix on trigonometry. Elementary Geometry, Plane and Solid, for use in High Schools and Academies. By Thomas F. Holgate, Professor of Applied Mathematics in North-Western ...

Platonic solids, the first class of such shapes ... Schein’s work will invoke mathematicians to find other interesting geometric shapes, now that equilateral convex polyhedra may have been ...