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A boot sector computer virus dubbed (c)Brain, one of the first computer viruses in history, [16] was created in 1986 by the Farooq Alvi Brothers in Lahore, Pakistan, reportedly to deter unauthorized copying of the software they had written. [17] [18] Neurochip by Pakistani-Canadian inventor Naweed Syed.
Platinum is a chemical element; it has symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish platina, a diminutive of plata "silver". [7] [8] Platinum is a member of the platinum group of elements and group 10 of the periodic table of ...
A member of the platinum group metals, iridium is white, resembling platinum, but with a slight yellowish cast. Because of its hardness, brittleness, and very high melting point , solid iridium is difficult to machine, form, or work; thus powder metallurgy is commonly employed instead. [ 12 ]
The platinum-group metals [a] (PGMs) are six noble, precious metallic elements clustered together in the periodic table. These elements are all transition metals in the d-block (groups 8, 9, and 10, periods 5 and 6). [1] The six platinum-group metals are ruthenium, rhodium, palladium, osmium, iridium, and platinum.
A water bottle is a container that is used to hold liquids, mainly water, for the purpose of transporting a drink while travelling or while otherwise away from a supply of potable water. Water bottles are usually made of plastic , glass , metal, or some combination of those substances.
The radioactivity in MBq per gram of each of the platinum group metals which are formed by the fission of uranium. Of the metals shown, ruthenium is the most radioactive. Palladium has an almost constant activity, due to the very long half-life of the synthesized 107 Pd, while rhodium is the least radioactive.
This is the story of a fine local drink that doubles as a history book. This Great Big Story is a paid contribution by Guizhou, China. History in a Bottle: The Story of Moutai [Video]
This lowered the cost of bulbs by 90%, making them much more available for people. [3] He formed the Owens Bottle Machine Company in 1903. His machines could produce glass bottles at a rate of 240 per minute, and reduce labor costs by 80%. [4] Owens and Libbey entered into a partnership and the company was renamed the Owens Bottle Company in 1919.