Holography apparently relates certain quantum field theories to quantum theories of gravity. The original instance of this is Maldacena's duality between maximally supersymmetric gauge theories and type II string theory in the presence of D-branes. In the ’t Hooft limit, and at appropriate temperatures, the dual to the gauge theory is described by certain black holes (or rather black p-branes). This allows the remarkable opportunity to perform calculations of quantum black holes through the equivalent gauge theory, and to check the consistency of holographic duality. I will discuss such calculations, and the progress that has been made over the last decade in showing that the predicted gravity behaviour does indeed emerge from thermal gauge theory.

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