But details about these “dark” elements of the universe remain a mystery. To shed light on these concepts, Euclid will image a wide range of galaxies. Dark matter will have bent the light from ...

THE appearance of these two little books shows that practical teachers have not yet agreed upon the best method of teaching elementary geometry. That this should be so is by no means a matter for ...

Examines ancient numeral systems, Babylonian and Egyptian mathematics, Pythagorean mathematics, duplication, trisection, and quadrature, Euclid's elements and Greek mathematics after Euclid, Hindu and ...