Review 2006: String theory increasingly knotty

 作者:戈滕     |      日期:2019-03-15 07:08:00
By Stephen Battersby FOR decades it has been the main contender for a unified theory of physics, a deep foundation beneath matter and all of existence. But to some, string theory is beginning to look less like a foundation and more like a folly: intricate, beautiful and ultimately useless. The idea is that electrons, protons and all particles are not point-like objects, but vibrating strings and membranes. This simple concept promises enormous rewards, providing a single framework to unite all the fundamental forces of nature,