Proving that one quantum measurement is more powerful than another has long been difficult. Physicists from Heinrich Heine University Düsseldorf, Lund University and the University of Innsbruck have ...

How can you have a proof without proving anything? Mathematicians found a way and, in the process, came to blows over it – ...

Researchers thought that what enabled complex fluids to break apart was their elasticity. But a crack in a nonelastic simple ...