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Synthetic setae emulate the setae found on the toes of a gecko and scientific research in this area is driven towards the development of dry adhesives. Geckos have no difficulty mastering vertical walls and are apparently capable of adhering themselves to just about any surface.
In 2007, researchers from the University of Akron and Rensselaer Polytechnic Institute announced they had developed a form of flexible, reusable gecko tape using carbon nanotubes to create microscopic synthetic setae and spatulae capable of supporting a shear stress of 32 N/cm 2, which is four times the strength of a gecko's foot.
The interactions between the gecko's feet and the climbing surface are stronger than simple surface area effects. On its feet, the gecko has many microscopic hairs, or setae (singular seta), that increase the Van der Waals forces - the distance-dependent attraction between atoms or molecules - between its feet and the surface.
Setae on the foreleg of a mayfly. Annelid setae are stiff bristles present on the body. They help, for example, earthworms to attach to the surface and prevent backsliding during peristaltic motion. These hairs make it difficult to pull a worm straight from the ground. Setae in oligochaetes (a group including earthworms) are largely composed of ...
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See also References A The Abarat: 25 islands in an archipelago, one for each hour and one for all the hours, from the series The Books of Abarat by Clive Barker Absolom: a prison island in the movie Escape from Absolom Acidophilus: an island in Greece appearing in the adventure game Spy Fox in "Dry Cereal" Aepyornis Island: an atoll near Madagascar, in H. G. Wells' story by that name Al Amarja ...
Synthetic person or legal personality, characteristic of a non-human entity regarded by law as having the status of a person Synthetic data , are any data applicable to a given situation that are not obtained by direct measurement or from live system as described in synthetic data; terminology used in testing of software applications