A Cannon for Shooting Supplies into Space
• PopSci.comJohn Hunter wants to shoot stuff into space with a 3,600-foot gun. And he’s dead serious—he’s done the math. Making deliveries to an orbital outpost on a rocket costs $5,000 per pound, but using a space gun would cost just $250 per pound.
Jules Verne had this idea long ago, and wrote the novel "From the Earth to the Moon" about it.
The idea of using the ocean as a vibration buffer is a novelty.
Of course, the Navy has an adaptation for their use. See the FP article at http://www.freedomsphoenix.com/Feature-Article.htm?Info=0085504&From=News .
The guy could have put the cannon to the test by shooting supplies into Haiti