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Isinglass finings are also used in the production of kosher wines, although for reasons of kashrut, they are not derived from the beluga sturgeon, because this fish is not kosher. [9] Whether the use of a nonkosher isinglass renders a beverage nonkosher is a matter of debate in Jewish law.
The refractive, reflective and transmission properties of glass make glass suitable for manufacturing optical lenses, prisms, and optoelectronics materials. Extruded glass fibres have applications as optical fibres in communications networks, thermal insulating material when matted as glass wool to trap air, or in glass-fibre reinforced plastic ...
Container glass is a type of glass for the production of glass containers, such as bottles, jars, drinkware, and bowls. Container glass stands in contrast to flat glass (used for windows , glass doors, transparent walls, windshields ) and glass fiber (used for thermal insulation , in fiberglass composites, and optical communication ).
Shortly following the introduction of the art of glass eye-making to the United States, German goods became unavailable because of World War II. As a result, the US instead made artificial eyes from acrylic plastic. [4] Production of modern ocular prosthetics has expanded from simply using glass into many different types of materials.
Apsley Pellatt in his book Curiosities of Glass Making was the first to use the term "millefiori", which appeared in the Oxford English Dictionary in 1849; prior to that, the beads were called mosaic beads. While the use of this technique long precedes the term "millefiori", it is now most frequently associated with Venetian glassware. [2] [3]
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In the 1930s, Saint-Gobain of France first developed foam glass with calcium carbonate as a foaming agent. In 1932, it applied for a patent. [5]An early report of foam glass as a construction material was made by the Soviet scientist, Professor Isaak Ilych Kitaygorodskiy at the All-Union Conference on Standardization and Manufacture of New Construction Materials in Moscow in 1932. [6]
Oxyd (1991), a game for Amiga, Atari ST, and Macintosh; Marble Drop (1997), a computer game wherein players place marbles in a complicated apparatus in an attempt to solve a puzzle; Lose Your Marbles (1997), a PC puzzle game where players line up marbles of the same color to add marbles to the other player's board and eventually block their board