Planck length. 409 likes. In physics, the Planck length, denoted, is a unit of length, equal to metres. It is a base unit in the system of Planck units,... ... <看更多>

A second way is that the Planck length is the scale at which gravitational effects and quantum effects start being comparable in which case our current theories ... ... <看更多>

The pop-science cycle chews on this until the notion has been transformed into "the Planck length has never been a minimum distance, it is a ... ... <看更多>