The Manta5 is a hydrofoil water bike. It's powered by a 400-watt ... you go with electric pedals or pedal manually. A propeller moves it forward, like a boat. Top speed: 12 mph.

That’s the contraption that utilizes a hydrofoil and human power to scoot ... a cool video where someone is attempting to make a pedal powered one instead. Their first prototype, shown above ...

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Swedish tech company Candela says its P-12 electric hydrofoil ferry will soon resume passenger service around Stockholm, and ...