Photos: MythBusters ready to swim with the sharks

Savage and Hyneman test the weight of some rubber tubing that is, for the moment, being used as a stand-in for a fish at the end of a line dangling into the water below. The idea is to reality-test whether the system they're designing will be able to adequately produce the flapping effect they want for the "flapping fish" myth they are going to investigate.

Photo by Daniel Terdiman/CNET News.com