RT @iqoqi: The @FerlainoGroup has demonstrated a missing hallmark of #superfluidity, quantized vortices, in a rotating two-dimensional #supersolid. Published in @Nature 👉 nature.com/articles/s41586-0… IQOQI News 👉 iqoqi.at/en/current/news/975… Austrian Academy of Sciences Mission Deutsch by @MissionDE A @grttme project - Other backups: @Hallotme