Superfluidity, like superconductivity, is typically thought of as needing very low temperatures that alter the fundamental quantum-mechanical behaviour of materials. Surprisingly, Giovanni Lerario of CNR NANOTEC Institute of Nanotechnology in Italy and colleagues now report what appears to be superfluidity at room temperature. The “material” in question is a highly exotic state of bosonic quasiparticles called a polariton condensate, and the experiment comprised an optical Fabry Pérot microcavity made from two dielectric Bragg mirrors with a thin amorphous layer of fluorescent organic material between them. A laser pulse creates a polariton flow with well-defined energy, revealing itself as a superfluid by the disappearance of scattering around an obstacle.