Barefoot Waterskiing

Here's an interesting video from National Geographic showing the science behind barefoot waterskiing - and, by extension, waterskiing with skis on.

Barefoot waterskiing

Here’s an interesting video from National Geographic showing the science behind barefoot waterskiing – and, by extension, waterskiing with skis on.

Staying on the surface of the water comes down to velocity and surface area in contact with the water. A person must be traveling about 34 miles per hour in order to keep from sinking.

This is a good one for kids, too.

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