Planck length
The Planck length lp is the smallest unit of length.
Explanation
The Planck length is approximately
where
ℏ Reduced Planck constant G Gravitational constant c Speed of light
HistoryThe Soviet quantum physicist Matvei Bronstein deduced in 1936 that there is a smallest length. The name Planck length is a tribute to the German physicist Max Planck (1858 - 1947). |