The MythBusters test out the old saying "go over like a lead balloon" by attempting to build the impossible lead balloon that actually floats! Using basic principles from physics and geometry, Adam and Jamie design and construct a balloon from lead foil no wider than a human hair. But will their creation take flight, or sink like...a lead balloon? Meanwhile, the build team investigates the myth that it's possible to surf a wave created by a dynamite explosion.

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