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"With the drop of a marble, fall of a domino and snap of a string, Rube Goldberg machines exhibit the wackiest chains of reactions.\nFamous American cartoonist Rube Goldberg became well-known for the  elaborate contraptions drawn into his cartoons. These complex devices performed simple tasks in some of the most indirect ways, inspiring others to create similar machines. \nSee also: 'Tuna Melt' Could Be the Most Elaborate Rube Goldberg Video Yet\nAlthough Goldberg didn't personally make the machines showcased in his cartoons, many engineers, scientists and building-enthusiasts have brought their own to life.\nTake a look at some of the craziest contraptions below for your inner-nerd's delight.\n\n\n\n\n\n\nCraziest Rube Goldberg Machines\n\n\n\n\n\n\n\n\nMachine starts at 1:47.\n\nVideo: YouTube, coastercrazy10\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, PurdueUniversity\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, OkGo\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, Generikb\n\n\n\n\n\n\n\n\n\n\n\nVideo: YouTube, redbull\n\n\n\n\n\n\n\n\n\nMachine starts at 0:30.\n\nVideo: YouTube, rubegoldbergprogect\n\n\n\n\n\n\n\n\n \nImage: Flickr, lwpkommunikacio"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2013/08/21/rube-goldberg-machines/>