Fins

Skiers already utilize binding systems that let them simply click their boots in and out of their skis. Well, the folks at Cetatek thought that the same sort of technology should be applied to the blades of scuba fins. The result is the aquabionic aquatic binding system (abs).

If you've ever seen a humpback whale's fins, you might have noticed that they have knobby bits along the front edge. These are known as tubercles, and they cause the water to flow over the fins in such a way that extra lift is created. Now, they've been copied in a set of swim fins for humans.

Researchers have created an underwater robot that swims in any direction using just one fin, inspired by the black ghost knife fish.

Krunk Surfing has a created a detachable fin system for surfboards that doesn't need a screwdriver or other device to fit or remove the fins.

The bumps on the humpback whale's flippers have inspired a breakthrough in aerodynamic design that seems likely to increase the efficiency of wind turbines, fans, wings and airfoils.

February 19, 2007 Bridgestone has developed a rubber fin for a dolphin that lost most of its tail fin to disease. The beneficiary of the technology is Fuji, a