Glass knives are used to slice sections for light microscopy and to slice very thin sections for electron microscopy.

Glass knives are usually manufactured by the fracture of glass bars using special " knife-maker " fracturing devices.

Glass knives may be used for initial sample preparations even where diamond knives may be used for final sectioning.

Glass knives usually have small troughs, made with plastic tape, which are filled with water to allow the sample to float for later collection.

Glass knives were used in antiquity due to their natural sharpness and the ease with which they could be manufactured.

Glass knives can be produced by hand using pliers with two raised bumps on one jaw and a single bump between the two bumps on the opposing jaw, but special machines called " knife-makers " are used in most electron microscopy laboratories to ensure repeatable results.

Fiberglas materials are available from Glass Plastic Supply Co., 1605 W. Elizabeth Ave., Linden, N. J..

Glasses are classified using the Schott Glass letter-number code to reflect their composition and position on the diagram.

In the United States in 1995, the Glass Ceiling Commission, a government-funded group, stated: " Over half of all Master ’ s degrees are now awarded to women, yet 95 % of senior-level managers, of the top Fortune 1000 industrial and 500 service companies are men.

Further glass forming techniques are summarized in the table Glass forming techniques.

Glass is in widespread use largely due to the production of glass compositions that are transparent to visible wavelengths of light.

The Blaschka Glass Flowers are still an inspiration to glassblowers today.

Glass and metals are examples of isotropic materials.

Glass has a higher dielectric strength, but it attracts condensation and the thick irregular shapes needed for insulators are difficult to cast without internal strains.

Vertical ridges etched on the surface are smooth .</ li > < li > Twisted nematic liquid crystal .</ li > < li > Glass substrate with common electrode film ( ITO ) with horizontal ridges to line up with the horizontal filter .</ li > < li > Polarizing filter film with a horizontal axis to block / pass light .</ li > < li > Reflective surface to send light back to viewer.

Glass mirrors are most often coated with non-toxic silver or aluminium, implemented by a series of coatings:

Glass block or glass brick are blocks made from glass and provide a translucent to clear vision through the block.

This theory, conceived by a British Glass manufacturer, proposes that the first two figures are Gauis Octavius, father of the future emperor, and Attia Julia Balboa, his mother ( hence the cherub with the arrow ) who had a dream of being impregnated by Apollo in the form of a sea serpent ( ketos ), note the snake's prominent teeth.

Glass Moonshine slides are made of glass, but have a porous ceramic interior that helps prevent slipping ; other slides have been designed to reduce the weight of brass or porcelain slides by using a lightweight interior, while still others are made of glass on the front and of metal on the back to allow easy switching.

Note that in England and Wales, the circumstances where Promissory estoppel may be used to overcome the statute are limited-see Actionstrenght Ltd v. International Glass Engineering UKHL 17-and some jurisdictions deny this possibility altogether.

A sequel, System Shock 2, was released by Looking Glass Studios and off-shoot developer Irrational Games in 1999 ; the 2000 game Deus Ex and the 2007 game BioShock are spiritual successors to the two games.

Glass partition walls are a series of individual toughened glass panels, which are suspended from or slide along a robust aluminium ceiling track.

Glass candle holders are sometimes cracked by thermal shock from the candle flame, particularly when the candle burns down to the end.

Glass sponges are relatively uncommon and are mostly found at depths from although the species Oopsacas minuta has been found in shallow water, while others have been found much deeper.

Glass sponges are different from other sponges in a variety of other ways.

There are five main types of Time Controls: ( 1 ) Fischer ( invented by Bobby Fischer ), ( 2 ) Bronstein ( invented by David Bronstein ), ( 3 ) Simple Delay, ( 4 ) Game Word and ( 5 ) Hour Glass.

Image: Glass bottom boats & Semi sub. JPG | Glass bottom boats and a Semi submarine which are used for coral viewing at Green Island ( Queensland ), Great Barrier Reef, Australia

In the " Shattered Glass " storyline, Omega Doom, is the ultimate weapon of the Autobot tyrant Optimus Prime.

Alice then states that he will use the Looking Glass as a weapon to intercept the E-4B, thus killing Condor and relinquishing authority to the President.

Glass is the material of choice for laboratory applications due to its inertness compared with metals or plastics.

In deciding to use the CR-78 for " Heart of Glass ," the choice was made to combine the sound of the drum machine with the sound of actual drumming.

Other well-known trios from the 1970s and 1980s include The James Gang ; Glass Harp ; Raven ; Budgie ; Grand Funk Railroad ; Triumph ; Blue Cheer ; Johnny Winter's Progressive Blues Experiment ; Motörhead ; The Minutemen ; West, Bruce and Laing ; The Jam ; The Police ; Rush ; Zebra ; ZZ Top ; Robin Trower Band and, until the album Nightlife, Thin Lizzy.

Other writers who have made use of the theme include Donald Barthelme ( in his novel Snow White ), Gregory Maguire ( in his novel Mirror Mirror ), Jane Yolen ( in her story " Snow in Summer ," published in Black Swan, White Raven ), Debra Doyle & James D. Macdonald ( in their story " The Queen's Mirror ," published in A Wizard's Dozen ), Anne Sexton ( in her poem " Snow White and the Seven Dwarfs ," published in Transformations ), Gail Carson Levine ( in Fairest ), and A. S. Byatt ( in her essay " Ice, Snow, Glass ," published in Mirror, Mirror on the Wall ).

located in Raven Rock Mountain, Pennsylvania, and also to an airborne command post, either the presidential National Airborne Operations Center ( NAOC ) or the military E-6 Mercury Looking Glass.

Another adaptation, Alice's Adventures in Wonderland, was produced by Joseph Shaftel Productions ( distributed by Fox-Rank productions ) in 1972, and is felt by many to be the most faithful adaptation to the original novel, with the exception of the omitted scene with the Cheshire Cat ( Roy Kinnear ) replaced by Tweedledum and Tweedledee ( in a scene which remains faithful to their respective scene from Alice Through the Looking Glass ).

Many of its situations, characters and dialogue are derived from the work of Dashiell Hammett, especially his 1931 novel The Glass Key and the 1942 film that was adapted from it.

As Banks ' first novel to eschew ' special effects ', not being Gothic horror like The Wasp Factory, a literary mystery ( Walking on Glass ), or science fiction, most critics regard it as one of his most accessible works.

Those aspirations are remembered in science fiction such as Arthur C. Clarke's A Fall of Moondust and 2001: A Space Odyssey, Roald Dahl's Charlie and the Great Glass Elevator, Joanna Russ's 1968 novel Picnic on Paradise, and Larry Niven's Known Space stories.

*** The Dark Tower IV: Wizard and Glass ( 1997 ), the fourth novel in the series

He dedicated The Glass Key to her, and in turn, she dedicated her novel Lovers Should Marry to Hammett.

) The novel is considered one of the seminal texts of the hard-boiled sub-genre of mystery novels, but the chief innovation distinguishing it from previous Hammett works such as The Maltese Falcon or The Glass Key was its relative lightness and humor.

In 1989, Townshend began work on a novel entitled Ray High & The Glass Household, a draft of which was later submitted to his editor.

Paul Auster, in his 1985 novel City of Glass, compares the situation of one of its character to Kaspar Hauser.

The ' Glass Ceiling ' of Anabel Donald's 1994 novel is the ceiling of the Reading Room, where the denouement is set.

With Brian Greene, he adapted the novel Icarus at the Edge of Time for composer Glass and filmmakers " Al and Al.

His first novel, The Glass Inferno ( in collaboration with Frank M. Robinson ) was the inspiration for the 1974 film The Towering Inferno.

Three of the genre-defining disaster films of the 1970s were based on best-selling novels: Airport ( based on the novel by Arthur Hailey ), The Poseidon Adventure ( based on the novel by Paul Gallico ), and The Towering Inferno ( from the novels The Tower by Richard Martin Stern and The Glass Inferno by Thomas N. Scortia and Frank M. Robinson ).

His first novel, The House with the Stained Glass Windows was published in 1934 ; his first Poldark novel, Ross Poldark, was published in 1945, and was succeeded by a series of eleven further titles, the last of which, Bella Poldark, was published in 2002.

Glass fictionalized his own story in The Fabulist, a 2003 novel whose protagonist is named " Stephen Aaron Glass ".

In 2003 Glass published a so-called " biographical novel ", The Fabulist.

Glass has been out of the public eye since the release of his novel and Ray's film.

* She also was a driving force in Judith Merkle-Riley's novel The Oracle Glass ( 1995 ).

La Voisin and her organisation is portrayed in a novel by Judith Merkle Riley: The Oracle Glass ( 1994 )

Simon Mawer's 2009 Booker Prize-shortlisted novel, The Glass Room, is a fictional account of a house inspired primarily by the Villa Tugendhat.