Spatula (disambiguation)

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A spatula is a:

  • Cooking utensil also known as a fishslice in the UK
  • Frosting spatula used for frosting (icing) cakes
  • Putty knife used for spreading materials such as plaster or paint
  • Spatula (Music)
  • Laboratory tool for scooping up small quantities of powder
  • Spatula (Plural Spatulae) is the name given to the nanometer-scale projections which cover the (micrometer-scale) hair-like Setae found on the footpads of Geckos.[1]

[edit] References

  1. ^ Santos, Daniel; Matthew Spenko, Aaron Parness, Kim Sangbae, Mark Cutkosky (2007). Journal of Adhesion Science and Technology 21 (12-13): 1317-1341. http://www.brill.nl/journal-adhesion-science-and-technology. "Gecko "feet and toes are a hierarchical system of complex structures consisting of lamellae, setae,and spatulae. The distinguishing characteristics of the gecko adhesion system have been described [as] (1) anisotropic attachment, (2) high pulloff force to preload ratio, (3) low detachment force, (4) material independence, (5) self-cleaning, (6) anti-self sticking and (7) non-sticky default state. ... The gecko’s adhesive structures are made from ß-keratin (modulus of elasticity [approx.] 2 GPa). Such a stiff material is not inherently sticky; however, because of the gecko adhesive’s hierarchical nature and extremely small distal features (spatulae are [approx.] 200 nm in size), the gecko’s foot is able to intimately conform to the surface and generate significant attraction using van der Waals forces." 
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