Bohr turned to Planck's quantum theory to explain the stability of most atoms. He found that the ratio of energy in electrons and the frequency of their orbits around the nucleus was equal to ...

Quantum physics reshapes our view of time, not as a steady flow, but as unfolding possibilities shaped by probability—and ...

Explore the key moments in the history of quantum theory, from the early ideas of Albert Einstein and Werner Heisenberg to ...

Classical physics theories suggest that when two or more electromagnetic waves interfere destructively (i.e., with their ...

He attempted to explain with Maxwell’s theory of electrodynamics why the radiation in ... of the frequency under consideration and a constant h, today known as Planck’s quantum of action. Planck ...

These are a fundamental system of units that can be constructed solely from the speed of light and the natural constants of ...

Repulsive gravity at the quantum scale would have flattened out inhomogeneities in the early universe First light: The cosmic microwave background, as imaged by the European Space Agency’s Planck ...

Researchers at the Max Planck Institute for the Physics ... they realized that a first-principles elastic theory for bosonic quantum quasicrystals was still lacking, and they set out to develop ...