Some people celebrate anniversaries with food, or a little dancing, but Business University Turiba in Latvia decided to have a little fun with a Gizmodo favorite: the ol' Mento in the Coke reaction. For the school's 15th anniversary, the students set out the break the previous world record for this category, which was held by 1,499 Belgian students in the town of Leuven. Last Thursday, they succeeded, and the contents of 1,911 bottles of Coke were sprayed violently upward, and into history.

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You should, by now, be very familiar with the Mentos and Coke explosion effect. After all, we've even shown how to make your own booby trap version. But did you know that parts of the science behind it were a mystery? Until now, that is. A physics team at Appalachian State University did a whole range of tests, varying the substance dropped in from Fruit Mentos to dishwasher detergent and checking all the Coke types. Serious science stuff.

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That sound you are hearing is thousands of people screaming after falling for this Mentos and Diet Coke booby trap. And the sound you will hear soon will be the screams of the people who did the traps, as the joke victims beat the crap out of them. [Instructables]

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These scaled-down replicas of walking coke dispensers found on the streets of Japan would be cute additions to anyone's desk. As well as the black Coke Zero model above, there's a regular version, and they come in the most fabulous of retro boxes. They were available on eBay, but it looks like they're currently sold out. Perhaps it's worth contacting the seller to see if he's going to import any more. Gallery, including a picture of one the life-sized vending machines, after the jump.

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Giz reader Robert Woodhead combined two things that I just can't seem to get sick of seeing: Stuffing Mentos into Diet Coke bottles and the super-slow-mo action of Casio's EX-F1 camera to create this stunningly beautiful video.

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Here's what you do when you're a student in the Belgian town of Leuven. You don a blue plastic poncho alongside 1,499 undergraduates, all standing in line at very long table, on which is placed a bottle of Diet Coke and a Mentos. On the count of three, having raised your hood, you drop the mint in the plastic bottle, and 1,500 fountains of sticky drink erupt simultaneously. More pics below. Update: We've stuck a video up there, as well.

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