An experiment has finally revealed how it might feel to touch a quantum superfluid.Physicists dunked a special, finger-sized probe into an isotope of helium cooled to just a smidge over absolute zero,...
Late last century, the Joint European Torus (JET) near Oxford, UK, churned out 22 megajoules of energy in what was, at the time, a record in fusion power.Now, experimental upgrades have brought...