He is known for the Planck constant, which is of foundational importance for quantum physics, and which he used to derive a set of units, now called Planck units, expressed only in terms of …

Sep 30, 2025 · Max Planck, German theoretical physicist who originated quantum theory, one of the fundamental theories of modern physics, for which he won the 1918 Nobel Prize for Physics.

Jul 16, 2025 · At incredibly small scales, the universe operates according to the unfamiliar rules of quantum mechanics. And Planck’s constant is in charge.

Planck’s work on the quantum theory, as it came to be known, was published in the Annalen der Physik. His work is summarized in two books Thermodynamik (Thermodynamics) (1897) and …

By interpolating between the laws of Wien and Rayleigh-Jeans, Planck formulated the now-famous Planck's law of black-body radiation, which described the experimentally observed …

Planck himself said that, despite having invented quantum theory, he did not understand it himself at first. Nevertheless, he received the Nobel Prize for Physics in 1918 for his achievement.

Originally proposed in 1899 by German physicist Max Planck, they are relevant in research on unified theories such as quantum gravity. The term Planck scale refers to quantities of space, …