4. Open the pack of Mentos and place all of them in the tube. 1. Slowly and carefully open a new bottle of Diet Coke. 2. Place it on a flat area outside where it is OK to get wet with soda. 3. Put the ...

Surely you're hip to the Diet Coke and Mentos phenomenon of a few years ago. When an enterprising duo realized that the hard-coated candies interacted with the soda in an explosive way ...