This works for pop/soda. I'm not entirely sure why, but if you pour a glass of coke/pepsi/whatever, and put a steel spoon or fork in the glass, and put it in th

This works for pop/soda. I'm not entirely sure why, but if you pour a glass of coke/pepsi/whatever, and put a steel spoon or fork in the glass, and put it in the fridge, it won't go flat (nearly as quick).