It's not a horror movie; it's physics

This creepy-looking image of U.S. swimmer Tyler Clary has its origin in the movement of water molecules. The Fuck Yeah Fluid Dynamics tumblr explains what's going on — and how physics can make a swimmer look like a shiny, face-melted ghoul.


  1. I couldn’t be bothered to register an account to reply at FYFD, but I’m certain his explanation is wrong. It’s nothing to do with surface tension, it’s because the flow over him is nearly laminar.

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