JustinMorganPhysicsLightningTour movies opensource_movies physics science quantum mechanics M-theory standard model of particle physics documentary Einstein relativity http://creativecommons.org/licenses/by-sa/2.5/ A lightning tour of 20th century physics, covering the four fundamental forces underpinning the universe and their unification. To use the iPod-ready video, you should change the file extension to m4v once downloaded. 2006 2006-02-13 04:51:49 2006-02-13 12:32:43 feedback@corfizz.com feedback@corfizz.com Justin Morgan 2006-02-13 05:36:43 Justin Morgan sound color 6m37s There are images used within this video that are in the public domain, either because their copyright has expired, or because they have been created by NASA or another US government agency. Some other sources have free licenses - the licenses for individual sources are noted in the credits list at the end of the movie. These sources retain their individual licenses, but the entire Collective Work has the cc-by-sa 2.5 license. MovingImage 2006-02-13 08:13:56 Justin Morgan