After I just watched the Mythbusters episode where they show some experiments that you can do at home. One of the ones you can't is mixing water with dry ice.

After I just watched the Mythbusters episode where they show some experiments that you can do at home. One of the ones you can't is mixing water with dry ice. They put a rubber "hand" near a soda bottle, which they then fill up and cap tightly in the way you shouldn't do. The damage to the "hand" was really impressive.