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Surface tension print that page

Surface_tension_March_2009-3

Surface tension has the dimension of force per unit length , or of energy per unit area . The two are equivalent—but when referring to energy per unit of area, people use the term surface energy —which is a more general term in the sense that it applies also to solids and not just

Tensiometer (surface tension) print that page

Rame-hart_goniometer

A Tensiometer as it applies to physics is an instrument used to measure the surface tension ( ) of liquids. Contents 1 Types 1.1 Goniometer/Tensiometer 1.2 Du Noüy-Padday method 1.3 Du Noüy Ring Tensiometer 1.4 Wilhelmy Plate Tensiometer 2 See also 3 External links

Surface Tension (short story) print that page

what is, to them, hostile space—open air—to other worlds in other bodies of water. Surface Tension was among the stories selected in 1970 by the Science Fiction Writers of America as one the best science fiction short stories of all time. As such, it was published in The Science Fiction

wikipedia.org | 2011/9/11 21:11:50

Surface tension-driven nanoelectromechanical relaxation oscillator print that page

A surface tension -driven nanoelectromechanical relaxation oscillator or NEMRO for short, is currently the worlds smallest motor. Constructed from a 200 nanometer long nanotube , a pair of liquid indium spheres, one measuring 5 nanometers across and the other 15 nanometers across. Electricity

wikipedia.org | 2011/5/16 11:22:32

Surface-mount technology print that page

Smt_closeup

An SMT component is usually smaller than its through-hole counterpart because it has either smaller leads or no leads at all. It may have short pins or leads of various styles, flat contacts, a matrix of solder balls ( BGAs ), or terminations on the body of the component. Contents

Surface energy print that page

Rame-hart_goniometer

For a liquid, the surface tension (force per unit length) and the surface energy density are identical. Water has a surface energy density of 0.072 J/m 2 and a surface tension of 0.072 N/m. Cutting a solid body into pieces disrupts its bonds, and therefore consumes energy. If the cutting

Friction print that page

When surfaces in contact move relative to each other, the friction between the two surfaces converts kinetic energy into heat . This property can have dramatic consequences, as illustrated by the use of friction created by rubbing pieces of wood together to start a fire. Kinetic energy is

wikipedia.org | 2011/10/4 13:13:17

Yield surface print that page

A yield surface is a five-dimensional surface in the six-dimensional space of stresses . The yield surface is usually convex and the state of stress of inside the yield surface is elastic. When the stress state lies on the surface the material is said to have reached its yield point and

wikipedia.org | 2011/5/9 0:57:06

Surface pressure print that page

Cyclone_Catarina_from_the_ISS_on_March_26_2004

nondimensional logarithm of surface pressure . Surface pressure is also the change of surface tension as a function of the area of water surface available to each molecule in a solution. The measurement of surface pressure is key in determining the monolayer properties of an amphiphilic

Animal locomotion on the water surface print that page

Wasserl%C3%A4ufer_bei_der_Paarung_crop

as the basilisk lizard (which can run on water) have a weight which is larger than the surface tension can support. Surface living animals such as the water strider typically have hydrophobic feet covered in small hairs that prevent the feet from breaking the surface and becoming wet