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Nanotube carpet mimics gecko feet

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11:57am, August 9, 2005

The talented gecko can walk up a glass wall or hang from the ceiling by only one toe. The little lizard owes its gravity-defying powers to carpets of microscopic hairs, called setae, covering its feet. These hairs, when in close contact with a surface, induce intermolecular attractive forces called van der Waals forces between themselves and the surface (SN: 7/15/00, p. 47: Available to subscribers at Gecko toes tap intermolecular bonds).

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