The smallest time interval ever defined. Named after theoretical physicist Max Planck (1858-1947), Planck time is 10-43 seconds; however, the only measurement ever actually made was more than ...

In 1899 Max Planck became a professor at the University of Berlin, after nine years at the University of Munich and Kiel University, in Germany. In his research there, he turned to a thermodynamic ...

A study trip to Berlin made a formative impression on him, giving him the opportunity to attend lectures by the leading physicists of his time, Hermann von Helmholtz and Gustav Kirchhoff. Planck ...