Mythbusters did something similar. They tested what would happen to a diver if you cut the hose in one of those old-school diving suits that had a hose connecti

Mythbusters did something similar. They tested what would happen to a diver if you cut the hose in one of those old-school diving suits that had a hose connecting them to the surface. It's not pretty: http://www.youtube.com/watch?v=LEY3fN4N3D8 http://www.youtube.com/watch?v=LEY3fN4N3D8 Pressure differentials are powerful.