Brookhaven Lab’s Latest Research on Quark-Gluon Plasma California Academy of Sciences - California Academy of Sciences Explore the mysteries of quantum mechanics, black holes, strings, branes, supersymmetry, and extra dimensions.In this engaging and concise introduction to the main ideas in string theory, Steven Gubser gives a quick tour of the basic laws of physics as we understand them today. And then, he demonstrates how string theory seeks to go beyond them.