The good timing and quick thinking of a kayaker saved five people's lives after their SUV crashed into a Northern California river last week.
As part of a student competition, designers I. Kiryakov, S. Ballmeier, K. Eichelberg & M. Dressler have attached an exercise machine to a high-speed canoe hull, and called it the Tu-Fin. The vehicle transfers the movement of the stepping user to forward motion using a flipper, according to Treehugger. What benefit does this offer to the more standard rowing that would take place in a normal canoe or kayak? None really, unless you are in need of leg exercise as opposed to arm exercise. Whatev