Cola rocket goes Mento Fizzy fountain ... the conventional method By PETE BELL Sun OnlineTHE latest internet craze to sweep the nation involves a packet of mints, a two-litre bottle of diet cola and a lot of stupidity.Drop the sweets into the drink and you can create an instant 20ft fizzy fountain. Scientists are divided on the cause of the phenomenon. Some say it is a reaction between the surface of the mints (we found American brand Mentos worked the best) and the carbon dioxide in the drink.Others say an ingredient in the cola is agitated by something in...