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Jena glass (German: Jenaer Glas) is a shock- and heat-resistant glass used in scientific and technological applications, especially in chemistry. The glass was invented by Otto Schott in 1884 in Jena , Germany , where he had established Schott AG with Ernst Abbe and Carl Zeiss . [ 1 ]
Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE. "Say" for EG, used to mean "for example". More obscure clue words of this variety include: "Model" for T, referring to the Model T.
The glass is most susceptible to breakage due to damage at its edge, where the tensile stress is the greatest, but can also shatter in the event of a hard impact in the middle of the glass pane or if the impact is concentrated (for example, the glass is struck with a hardened point).
"Heart of Glass" is a song by the American new wave band Blondie, written by singer Debbie Harry and guitarist Chris Stein. It was featured on the band's third studio album, Parallel Lines (1978), and was released as the album's third single in January 1979 and reached number one on the charts in several countries, including the United States Billboard Hot 100 and the UK Singles Chart.
Heatable glass unit at work. The first heated glass was created in 1931 by Protes Glass Company, offered for cars. Their product was not a success. [3] Heated glass was first used on a wide scale in World War II in Naval Ships and on to aircraft windshields from frosting over in cold weather It is still used in both for this purpose.
Macor is a white, odorless, porcelain-like glass ceramic material and was developed originally to minimize heat transfer during crewed spaceflight by Corning Inc. [18] StellaShine, launched in 2016 by Nippon Electric Glass Co., is a heat-resistant, glass-ceramic material with a thermal shock resistance of up to 800 degrees Celsius. [19]
Wired glass is used in the US for its fire-resistant abilities, and is well-rated to withstand both heat and hose streams. This is why wired glass exclusively is used on service elevators to prevent fire ingress to the shaft, and also why it is commonly found in institutional settings which are often well-protected and partitioned against fire.
An American-style 15×15 crossword grid layout. A crossword (or crossword puzzle) is a word game consisting of a grid of black and white squares, into which solvers enter words or phrases ("entries") crossing each other horizontally ("across") and vertically ("down") according to a set of clues. Each white square is typically filled with one ...