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#604 Sticky: The Secret Science of Surfaces

Science for the People

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How Can I Tap Into Vander Wald's Interaction?

In order to tap into it, you can imagine how close those atoms need to be. A single peppercorn measures about five million nanometers in diameter. So a structure that has structures of different sizes working together is like the geco's foot. This hierarchical structure allows it to make incredibly intimate contact with almost any surfaceyou can think of.

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