French company Seabike has developed a swimming device that uses your own leg power to accelerate you through the water at superhuman speeds. This …
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'Underwater bicycle' propels swimmers forward at superhuman speed
French company Seabike has developed a swimming device that uses your own leg power to accelerate you through the water at superhuman speeds. This crank-driven pusher prop looks a bit like an underwater unicycle... We'd love to take one for a spin!
