Планковское время: различия между версиями

: <math>t_P = \sqrt{\frac{\hbar G}{c^5}}</math> {{math|≈ 5,39106391 16(3213){{e|−44}} [[Секунда|с]]}}<ref>{{cite web|url=http://physics.nist.gov/cgi-bin/cuu/Value?plkt{{!}}search_for=universal_in!|title=Planck time|publisher=physics.nist.gov|accessdate=2014-01-24|archiveurl=http://web.archive.org/save/http://physics.nist.gov/cgi-bin/cuu/Value?plkt{{!}}search_for=universal_in!|archivedate=2013}}</ref>