The Straight Dope
I have always laughed at people who, before opening a carbonated drink which has been shaken, tap the top of the can with their finger so that it doesn’t explode upon opening. After lengthy arguments, we even performed a semiscientific experiment by shaking a drink and opening it with and without tapping the top, but with no solid scientific conclusion. We would like to know what you, in your infinite wisdom, think of this....