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Editor's choice

Jan 19, 2014

A special free-to-read digital edition containing 10 of our very best feature articles on the science and applications of light

In depth: November 2003

Features

Welcome to quantum gravity

Quantum theory and general relativity will only be unified when theory meets experiment

Superstrings

String theory might be a theory of everything - or a theory of nothing

Opinion

Do's and don'ts for authors

All authors must be responsible

William Gilbert: forgotten genius

Why is the father of magnetism not better known?

Reviews

Railways and the roots of relativity

Was Einstein partly inspired by the railways?