Mythbusters: Season 4, Episode 15

4 - 15: Steam Cannon / Breakfast Cereal

In this episode, the MythBusters and Mythbuilders test: -If it's possible that a subwoofer inside a car destroys it with the vibrations caused by the sound. -Then, they see if driving faster on a rough road makes the ride smoother. -Finally, they test the myth that says that you can prevent your windshield from breaking if gets hit by a rock bracing the glass with the hands.