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Planck length

The Planck length lp is the smallest unit of length.



The Planck length is approximately


    ℏ Reduced Planck constant
    G Gravitational constant
    c Speed of light



The 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).

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