How to use steam to to crush a can

*WARNING* This experiment uses heat and boiling water, so be sure to have an adult around to help. This classic experiment is a fun way to learn about air pressure. We don't usually think much about the air around us, even though it plays such a vital role in our lives. it gives us oxygen to breath, carries away excess heat from out bodies, and squeezes us with over 30,000 pounds of pressure. Wait a minute! What was that last part?For this experiment, you will need:
several aluminum soft drink cans, kitchen tongs or an oven mitt to pick up hot cans,
a bowl of cold water,a hot plate or a hot skillet on the stove. This video was made by Robert Krampf!