Abstract
In 2005, the discovery at the RHIC accelerator of a new state of matter was announced, the Quark-Gluon Plasma. It is the most perfect fluid ever created in the laboratory, the hottest, with highest vorticity and unlike expected, it is strongly coupled. The greatest challenge for the coming years is to create it in other conditions for temperature and pressure, i.e. to explore the QGP phas…