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IBM. Marcel Joseph Vogel (April 14, 1917 – February 12, 1991) was a research scientist working at the IBM San Jose Research Center for 27 years. He is sometimes referred to as Dr. Vogel, although this title was based on an honorary degree, not a Ph.D. Later in his career, he became interested in various theories of quartz crystals and other ...
References. [2][3][4] Danburite is a calcium boron silicate mineral with a chemical formula of CaB 2 (SiO 4) 2. [5] It has a Mohs hardness of 7 to 7.5 and a specific gravity of 3.0. [5] The mineral has an orthorhombic crystal form. [5] It is usually colourless, like quartz, but can also be either pale yellow [5] or yellowish-brown.
Cut glass or cut-glass is a technique and a style of decorating glass. For some time the style has often been produced by other techniques such as the use of moulding, but the original technique of cutting glass on an abrasive wheel is still used in luxury products. On glassware vessels, the style typically consists of furrowed faces at angles ...
Piezoelectric materials (PMs) can be broadly classified as either crystalline, ceramic, or polymeric. [1] The most commonly produced piezoelectric ceramics are lead zirconate titanate (PZT), barium titanate, and lead titanate. Gallium nitride and zinc oxide can also be regarded as a ceramic due to their relatively wide band gaps.
Phosphophyllite (from Ancient Greek phyllon 'leaf', and phosphate [3]) is a rare mineral with the chemical formula Zn2Fe (PO4)2·4H2O, composed of hydrated zinc phosphate. It is highly prized by collectors for its rarity and for its delicate bluish green colour. Phosphophyllite is rarely cut because it is fragile and brittle, and large crystals ...
Pagtatawas is a divination ritual in pseudomedicine in Filipino Psychology (but considered superstition in Western psychology), carried out by the mangtatawas (literally "user of tawas "). [1] It attempts to diagnose an affliction or psychological disorder by interpreting shapes produced in water by heated alum or molten wax droppings from a ...
August 27, 2024 at 10:31 AM. ATLANTA — It looked bad at first, but Indiana Fever rookie Caitlin Clark 's tweaked ankle didn't amount to much in the Fever's 84-79 win Monday night. In fact, she ...
Charcot–Leyden crystals are composed of an eosinophilic lysophospholipase binding protein called Galectin-10. They vary in size and may be as large as 50 μm in length. [1] Charcot–Leyden crystals are slender and pointed at both ends, consisting of a pair of hexagonal pyramids joined at their bases. [1] Normally colorless, they are stained ...
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