The Moon has synchronous rotation: it's rotation period is the same as its period of revolution.

Posted 11 years ago by DuffBeer in category: interesting   Comments (0)

10 years exactly since the first YouTube video was uploaded. It was uploaded at 8:27 p.m. on Saturday, April 23, 2005 by the site's cofounder Jawed Karim, with the username "jawed".

Posted 9 years ago by crazzy in category: geeky   Comments (1)

Posted 10 years ago by RedPill in category: happy   Comments (1)

Posted 9 years ago by boyt in category: magic   Comments (0)

Airbus Reinforced Cockpit Door Description and Procedure

Posted 9 years ago by PennY in category: interesting   Comments (2)