Fait mathématique: 82681 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 82681 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: May 16th is the day in 1960 that Theodore Maiman operates the first optical laser, at Hughes Research Laboratories in Malibu, California.