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Invent The Future Yourself – Forbes.com

Fritz Grobe is working fast. He doesn’t have long before he and Stephen Voltz will drop 624 Mentos into 104 liters of Diet Coke, unleashing enough energy to pump artificial sweetener and carbonated water all over a crowd of hundreds of cheering onlookers at the annual Maker Faire in San Mateo, Calif.

Photo by squarecircle.