source: http://architechnophilia.blogspot.fr/2012...

source: http://4.bp.blogspot.com

source: http://www.darkroastedblend.com/2008...

source: http://www.darkroastedblend.com/2008...

source: http://microfilums.files.wordpress.com

This is a video taken in 6000 feet of water. An undersea robot is sawing a 3mm wide slit (1/10th of an inch ... remember that width) in a pipeline. The pressure inside the pipeline is 0 psig, while the pressure outside is 2700 psi, or 1.3 tons per square inch. Then a crab comes along....

source: http://stinainwonderland.blogspot.com/2010...

source: http://www.weldonowen.com/blog...