I'm sure that this is the coolest thing I've ever seen in this field. By far.
Innespace is the company that have invented this fantastic sort of moto-dolphin water vessel named SeaBreacher (there is also a single person version named simply Dolphin). This thing uses the same canopy as an F-22 fighter
jet, keeping the roomy interior nice and dry inside a watertight seal
and it's powered by a little engine in the back that allows you to do
all sorts of fun stuff like barrel rolls, jumps, dives and drownings.
"Swimming" just under the surface and than jumping outside just like a
real dolphin!
The best way to understand what SeaBreacher is able to do, however, is looking the following video:
innespace invented nothing! They ripped off the designs and are trying to pass themselves off as the inventors. http://www.cnn.com/2004/TECH/12/17/spark.dolphin/