Yup, real small. In this feature, we try to give you a vague sense—for that is all that's possible—of just how small a string is. Starting at an everyday scale, we travel by powers of 100 down ...

If, as many of us hope, the LHC era reveals new clues linking particle physics to string-scale physics, acquaintance with the material in this volume may well provide crucial tools for exploring and ...

Scientists seeking the secrets of the universe would like to make a model that shows how all of nature's forces and particles ...