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A soda geyser is a physical reaction between a carbonated beverage, usually Diet Coke, and Mentos mints that causes the beverage to be expelled from its container. The candies catalyze the release of gas from the beverage, which creates an eruption that pushes most of the liquid up and out of the bottle.
In 2001, Spangler joined the Denver NBC affiliate, KUSA-TV 9NEWS as their Science Education Contributor. [5] [11] The Diet Coke and Mentos eruption experiment was first televised by Spangler in 2002 and became popular on the Internet in 2005. [5] More than a thousand videos appeared online replicating the experiment. [5]
Diet Coke and Mentos eruption — demonstrates bubble nucleation; Dry ice color show; Elephant toothpaste; Fizz keeper; Flame test; Magic sand — demonstrates hydrophobic substances; Mercury beating heart — demonstrates electrochemical redox reaction. and an effect of a non-homogeneous electrical double layer
The current slogan of Mentos is "Stay Fresh", [2] while the line previously used extensively in the 1980s and 1990s was "The Freshmaker". Some Mentos packages describe the mints as "chewy dragées". The typical Mentos roll is approximately 2 cm (0.79 in) in diameter and weighs 38 grams (1.3 oz). "Mentos" is the singular form. [3]
The Diet Coke and Mentos eruption offers another example. The surface of Mentos candy provides nucleation sites for the formation of carbon-dioxide bubbles from carbonated soda. Both the bubble chamber and the cloud chamber rely on nucleation, of bubbles and droplets, respectively.
Here’s what the science actually says about diet cola. Spoiler: This fizzy drink is unlikely to kill you, but there are several good reasons to consider cutting back. The aspartame-cancer connection
As explained above, Diet Coke and Coke Zero use different sweetening agents. Both have aspartame , which Brown explains is a low-calorie sweetener made of two amino acids (phenylalanine and ...
The Diet Coke and Mentos experiment is also an outlier regarding their safety warnings, as Savage and Hyneman stated on-air that this myth was perfectly safe for viewers to replicate on their own. Another example of this is the " Phone Book Friction " episode, in which they investigated the difficulty of pulling two telephone books apart after ...