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How to make a super-hydrophobic labyrinth game
Thursday March 7, 2019. 08:26 PM , from BoingBoing
You're probably familiar with the labyrinth game that challenges you to move a steel ball through a wooden maze that has holes to avoid. This guy made a similar maze, but instead of a marble, he used a drop of water and rolled it across a surface coated in hydrophobic paint.
Via Evil Mad Scientist
https://boingboing.net/2019/03/07/how-to-make-a-super-hydrophobi.html
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