The gecko's amazing ability to stick to surfaces and walk up walls has inspired many researchers to manufacture materials that mimic the special surface of a gecko's foot.
The secret behind the gecko's ability to stick so well is a forest of pillars at the micro-/nano-scale on the underside of the gecko's foot.
Because there are so many pillars so close together, they are held tightly to the surface the gecko is walking on by a molecular force called the...
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