This review first appeared in the news section of PhysicsWeb on 8 November. It is said that one of the world’s most eminent quantum-gravity theorists was once asked to explain in his institution...
One of the most challenging problems in modern physics is the application of quantum theory to the universe as a whole. Progress in this area has been plagued by two types of problem: conceptual and t...
The notion that certain features of the universe, such as the values of the physical constants, may be constrained by the requirement that intelligent observers can arise was first mooted nearly 40 ye...