This electric foil surfboard can reach speeds up to 25mph ... Then a silent, electric motor is attached to the end of the foil. It's powered by a lithium-ion battery. More from Tech ...

This motorised hydrofoil surfboard can "fly" above the water at a top speed of 25 mph. It is controlled with a handheld remote and it can be used on still or choppy waters. The eFoil costs a ...

But no, it’s real. A hydrofoil is a small surfboard with a carbon fiber “wing” attached to its bottom. Thanks to the science of hydrodynamics, the wing catches even the smallest amount of ...