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Tweezers come in a variety of tip shapes and sizes. [4] Blunt tip tweezers have a rounded end which can be used when a pointed object may get entangled, when manipulating cotton swabs, for example. Flat tip tweezers, pictured at right, have an angled tip which may be used for removing splinters. Some tweezers have a long needle-like tip which ...
By patterning the surface with gold microscopic islands it is possible to have selective and parallel trapping in these islands. The forces of the latter optical tweezers lie in the femtonewton range. [72] The evanescent field can also be used to trap cold atoms and molecules near the surface of an optical waveguide or optical nanofiber. [73] [74]
Image credits: Detroit Photograph Company "There was a two-color process invented around 1913 by Kodak that used two glass plates in contact with each other, one being red-orange and the other ...
The name of photonic force microscope was first used in 1997 by Ernst-Ludwig Florin, Arnd Pralle, J. Heinrich Hoerber and Ernst H.K. Stelzer during their stays at EMBL, when they developed 3D position detection and began using the Brownian motion as scanner.
Examples of computer clip art, from Openclipart. Clip art (also clipart, clip-art) is a type of graphic art. Pieces are pre-made images used to illustrate any medium. Today, clip art is used extensively and comes in many forms, both electronic and printed. However, most clip art today is created, distributed, and used in a digital form.
The tweezer manufacturers simply added an ‘S’ to the style number to signify that the tweezer was made of Stainless Steel. In the 1950’s, the birth of the electronic industry spurred the need for a material that had less magnetism. Precision tweezers began popping up made of AISI 303/304 and AISI 316 Stainless Steel.
Campbell's is ditching the soup — at least in name. Campbell Soup Co. announced its intention to change its name just over two months ago, saying it wanted to instead be known as the (slightly ...
The company was founded 1894 and has made guitars played by the likes of B.B. King and Elvis Presley. Gibson makes its electric guitars in U.S. factories in Nashville and Memphis, Tennessee, and ...