No man can serve two masters

Amazing tilt-shift video effect

Bathtub IV from Keith Loutit on Vimeo.

Dolphin boat

"These positively buoyant vessels use their forward momentum and the downward lift of their wings to literally fly below the water's surface. This radical departure from the typical method of sinking below the surface allows the Dolphins to achieve an unparrallelled level of freestyle performance."

Take a look at this video on youtube