Planck length

English Etymology Named after Max Planck, who defined it. Noun en physics A unit of length, believed to be the scale at which quantum gravity effects become significant, that is defined in terms of the speed of light, the gravitational constant and the reduced Planck's constant, namely: en October 9, 2023 Dennis Overbye The Science Nobel Winners Were Short and Fast https://www.nytimes.com/2023/10/08/science/science-nobel-prize.html w:The New York Times As Dr. Feynman noted, there are still shorter scales of time and distance to go before we reach the ultimate limits imposed by quantum physics: the Planck length, 10^-33 of a centimeter, and the Planck time, 10^-43 of a second. Both are named for the German physicist Max Planck, who made the breakthrough that led to quantum mechanics. https://web.archive.org/web/20231012001321/https://www.nytimes.com/2023/10/08/science/science-nobel-prize.html Translations unit of length, believed to be the scale at which quantum gravity effects become significant Dutch: nl French: fr longueur de Planck f German: de Hungarian: hu Japanese: ja プランク長 puranku chō Korean: ko 플랑크 길이 Polish: pl długość Plancka f Swedish: sv See also en Planck scale en Planck time en Planck unit en superstring en eponyms