A few weeks ago James Cameron made a record breaking submarine descent to the bottom of the Challenger Deep—the deepest point of the ocean here on planet earth.  His sub collected samples and filmed video, a first for any dive to those depths. Nipping at his heels is billionaire Richard Branson with his Virgin Oceanic project.  Since Cameron is quickly on his way to the billionaires club with recent revenues from Avatar and the re-release of Titanic, it seems only proper that Branson give Cameron a run for his money. [Read more...]