When I began my undergraduate physics degree (around 20 years ago), “What is the theory of everything?” was a question that I heard often. It was used as a label for how theoretical physicists were ...

A pair of mathematicians have proposed a unified theory of dark matter and dark energy that alters Einstein's equations describing the fundamentals of gravity. They suggest the law of energy and ...

It’s the same math that explains how, under the right conditions, the atmosphere above a barren plain can produce a roiling ...

THE contents of this volume fall into three clearly marked sections. Chapters 1–4 (pp. 1–105) lead up to the location and calculation of the real roots of a real algebraic equation ; the cubic and ...

IN this new edition of a well-known and popular treatise the principal change is the addition of a chapter on the theory of substitutions and groups. Following the methods of Serret, Jordan and Netto, ...