I saw this theory demonstrated at least 10 years ago using a model tanker in
a large swimming pool. The ship sunk quickly.
In an unrelated story, gaseous methane has been inexplicably rising from the
ocean floor near Florida's Keys; divers report seeing cedar buckets
littering the area. No boats have been sunk but a few gulls have taken ill.
Scout


"Jonathan Ganz" wrote
No, it's not clear that Neal had anything to do with this, and Bob never
leaves the dock, so it must be true...

"Australian physicists reported that giant methane bubbles, which
sometimes
emerge from solid methane deposits under the ocean, can sink ships."

http://dsc.discovery.com/news/afp/20031020/methane.html