Modern physics, and particularly the quantum theory — the discovery of Max Planck, the centennial of whose birth was celebrated last year —has raised a series of very general questions ...

16 December 1920: Scientists grapple with Max Planck’s quantum hypothesis. Kerri Smith This is the Nature PastCast, each month raiding Nature ’s archive and looking at key moments in science.

Bohr's quantum theory revised Date: February 7, 2017 Source: Plataforma SINC Summary: Bohr’s atomic model was utterly revolutionary when it was presented in 1913 but, although it is still taught ...

Now Antoine Tilloy at the Max Planck Institute of Quantum Optics in Garching, Germany, has attempted to get at gravity by tweaking standard quantum mechanics. In quantum theory, the state of a ...