At what point does theory depart the realm of testable hypothesis and come to resemble something like aesthetic speculation, or even theology? The legendary phy

Physics World's 'Book of the Year' for 2016 An Entertaining and Enlightening Guide to the Who, What, and Why of String Theory, now also available in an updated

String theory has played a highly influential role in theoretical physics for nearly three decades and has substantially altered our view of the elementary buil

Sample Text

The nature of space and time is one of the most fascinating and fundamental philosophical issues which presently engages at the deepest level with physics. Duri