The masterminds behind the Mentos/Coke geysers are back, and this time they're in 3-D! They're also harnessing the chemical reaction between Mentos mint candy and Coke Zero soda pop to send a rocket car rolling out of a hangar, to a distance mark of 221 feet. EepyBird's Fritz Grobe and Stephen Voltz made the Mentos/Coke combination famous four years ago when they combined the ingredients to create increasingly ornate fountain displays. Since then, the stunt has generated loads of viral buzz - and even a scientific paper explaining why the combination sets off so much fizz. (It has to do with the sudden mixture of ingredients as well as the bubble-stimulating surface of the mints.) For "Experiment #321," Grobe and Voltz built a three-wheeled bike-trailer contraption with 108 two-liter bottles of Coke Zero and 648 Mentos tablets. Their team brought the vehicle to a blimp hangar in Tustin, Calif., pulled a lever to fire up the fountains, and let the CO2 spray push the darn thing across the concrete. Grobe and Voltz celebrated the end of the experiment by clinking champagne glasses filled with Coke Zero. This video sets a new standard for technique: It was directed by Rob Cohen of "The Fast and the Furious" - which led Grobe to joke that their latest effort should be called "The Fizz and the Furious." Moreover, it was made available in 2-D as well as 3-D. So what's next? According to The Orange County Register, the Maine-based team is heading to Germany for a record-setting display of 2,000 Mentos/Coke geysers. Why do these things? Not because they are easy, but because they are hard. "We're really looking for the limits of what's possible," Grobe told the Register.
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