Uncle Tungsten: Memories of a Chemical Boyhood - Uncle Tungsten: Memories of a Chemical Boyhood Uncle Tungsten: Memories of a Chemical Boyhood (or just Uncle Tungsten) is a memoir by Oliver Sacks about his childhood published in 2002. The book is named for Sacks' Uncle Dave who owned a business named Tugstalite which made incandescent lightbulbs with a tungsten filament. Uncle Dave was called Uncle Tungsten as a nickname. Uncle Tungsten was still fascinated with tungsten and believed it was the metal of the future. The book also talks about many other things that happened to Sacks, like the many whippings in Bradbury, the burning down of the Crystal Palace, his chemical lab, and his short-lived obsession with coloring his own black and white photographs using dangerous chemicals..
Oliver Sacks - The man who mistook his wife for a hat is about a man with visual agnosia (this case was the subject of a 1987 opera by Michael Nyman). The title article of Anthropologist on Mars is about Temple Grandin, professor with high-functioning autism. Sacks' writings have been translated to 21 languages including Catalan, Finnish and Turkish. Books Migraine (book) (1970) Awakenings (1973) A leg to stand on (1984) (Sacks' own experience of losing the control of his legs after an accident) The Man Who Mistook His Wife for a Hat (1985) Seeing Voices (1989) (Deaf culture and sign language) Anthropologist on Mars (1995) The Island of the colorblind (1997) (Total congenital colorblindness in an island society) Uncle Tungsten: Memories of a Chemical Boyhood (2001) Oaxaca Journal (2002) External Links Oliver Sacks.
List of books by title: U - - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z The Ugly American - William J. Lederer & Eugene L. Burdick (1959) The Ugly Duckling - Hans Christian Andersen The Ugly Little Boy - Isaac Asimov (1992) Ulysses - James Joyce (1922) Uncle Tungsten: Memories of a Chemical Boyhood - Oliver Sacks (2002), nonfiction The Unconquered - Ben Ames Williams (1953) Undaunted Courage - Stephen Ambrose (1996) Under Milkwood - Dylan Thomas (1954), poetry Under the Deodars - Rudyard Kipling Under the Net - Iris Murdoch (1954) A Universal History of Infamy - Jorge Luis Borges (1954) The Universe in a.
Discoveries of the chemical elements - Discoveries of the chemical elements The story of the discoveries of the chemical elements is presented here in chronological order. The elements are listed generally in the order in which they were first isolated as the pure element, rather than as a compound (some such as boron were known to be elements decades before they could be isolated from their compounds). The first few predate any written record. Carbon from antiquity Gold from antiquity Silver from antiquity Copper from antiquity Sulphur from antiquity Tin from antiquity Lead from antiquity Mercury from antiquity Iron from antiquity Arsenic Antimony - Bismuth 15th century? May have been described in writings attributed to Basil Valentinus Phosphorus 1669 Hening Brand, later described by Robert Boyle Cobalt 1732 George Brandt Platinum had been.
Abundance of the chemical elements - Abundance of the chemical elements The abundance of a chemical element is how common it is or how much of it there is. Abundance of elements in the Universe Hydrogen is the most abundant element in the known Universe; helium is second. All others are orders of magnitude less common. Both helium-3 and helium-4 were produced in the Big Bang. Additional helium is produced by the fusion of hydrogen inside stellar cores, via a process called the proton-proton chain. Hydrogen and helium are estimated to make up roughly 80% and 20% of all the matter in the universe respectively. Despite comprising only a very small fraction of the universe, the remaining "heavy elements" can greatly influence astronomical phenomena. Only about 2% of the Milky Way galaxy's disk.
Chemical vapor deposition - Chemical vapor deposition Chemical Vapor Deposition (CVD) is a chemical process for depositing thin films of various materials. In a typical CVD process the substrate is exposed to one or more volatile precursors, which react and/or decompose on the substrate surface to produce the desired deposit. Frequently, volatile byproducts are also produced, which are removed by gas flow through the reaction chamber. CVD is widely used in the semiconductor industry, as part of the semiconductor device fabrication process, to deposit various films including: polycrystalline, amorphous, and epitaxial silicon, SiO2, silicon germanium, Tungsten, silicon nitride, silicon oxynitride, titanium nitride, and various high-k dielectrics. A number of forms of CVD are in wide use and are frequently referenced in the literature. Some of these forms include: Metal-Organic CVD.
Tungsten - Tungsten General Name, Symbol, Number Tungsten, W, 74 Chemical series Transition metals Group, Period, Block 6 (VIB), 6 , d Density, Hardness 19250 kg/m3, 7.5 Appearance grayish white, lustrous Atomic properties Atomic weight 183.84 amu Atomic radius(calc.) 135 (193) pm Covalent radius 146 pm van der Waals radius no data Electron configuration [Xe]44f14 5d4 6s2 e- 's per energy level 2, 8, 18, 32, 12, 2 Oxidation states (Oxide) 6, 5, 4, 3, 2 (mildly acidic) Crystal structure Cubic body centered Physical properties State of matter solid Melting point 3695 K (6192 °F) Boiling point 5828 K (10031 °F) Molar volume 9.47 ×1010-3 m3/mol Heat of vaporization 824 kJ/mol Heat of fusion 35.4 kJ/mol Vapor pressure 4.27 Pa at 3680 K Speed of sound 5174 m/s.
Igneous rock - from various forms of radiometric dating and thus can be compared to adjacent strata, allowing a time sequence of events their features are usually characteristic of a specific tectonic environment, allowing tectonic reconstitutions (see Plate tectonics) in some special circumstances they host important mineral deposits, of, for example, tungsten, tin or uranium, commonly associated with granites they can be explored as ornamental stone Igneous rocks are classified according to mode of occurrence, texture, chemical composition, and the geometry of the igneous body. =Modes of occurrence= In terms of modes of occurrence, igneous rocks can be either intrusive (plutonic) or extrusive (effusive). Intrusive rocks crystallize within the crust interior. Extrusive rocks are the result of volcanic eruptions and, therefore, solidify in atmospheric conditions. =Texture= The most important distinction in igneous rocks textures.
Iodine - stable with 74 neutrons 129I {syn.} 1.57E7y Beta- 0.194 129Xe 131I {syn.} 8.02070 d Beta- 0.971 131Xe SI units & STP are used except where noted. Iodine is a chemical element in the periodic table that has the symbol I and atomic number 53. This is an insoluble element that is required as a trace element for living organisms. Chemically, iodine is the least reactive of the halogens, and the most electropositive metallic halogen. Iodine is primarily used in medicine, photography and in dyes. Table of contents showTocToggle("show","hide") 1 Notable Characteristics 2 Applications 3 History 4 Occurrence 5 Isotopes 6 Precautions 7 External Links Notable Characteristics Iodine is a bluish-black, lustrous solid that sublimes at standard temperatures into a blue-violet gas that has an irritating odor. This halogen also forms compounds.
Hafnium - Full table General Name, Symbol, Number Hafnium, Hf, 72 Chemical series Transition metals Group, Period, Block 4 (IVB), 6 , d Density, Hardness 13310 kg/m3, 5.5 Appearance grey steel Atomic Properties Atomic weight 178.49 amu Atomic radius (calc.) 155 (208) pm Covalent radius 150 pm van der Waals radius no data Electron configuration [Xe]44f14 5d2 6s2 e- 's per energy level 2, 8, 18, 32, 10, 2 Oxidation state (Oxide) 4 (amphoteric) Crystal structure Hexagonal Physical Properties State of matter solid Melting point 2506 K (4051 °F) Boiling point 4876 K (8317 °F) Molar volume 13.44 ×1010-3 m3/mol Heat of vaporization 575 kJ/mol Heat of fusion 24.06 kJ/mol Vapor pressure 0.00112Pa at 2500K Speed of sound 3010 m/s at 293.15 K Miscellaneous Electronegativity 1.3 (Pauling scale) Specific heat capacity 140 J/(kg*K).
Harry Potter and the Chamber of Secrets - as scheduled, but cannot explain why due to the fact that the wizard family who owns him has forbidden it. He also admits to be the one who has been intercepting Harry's letters in hopes that he'll think that his friends have forgotten him and will not want to go to Hogwarts. When Harry insists on going, Dobby uses a Hover Charm to destroy Harry's aunt's pudding. Believing that Harry performed the charm, the Ministry of Magic sends him a warning that if he does any more magic outside school he will certainly be expelled from Hogwarts. Uncle Vernon, after reading the Ministry's letter and realising that Harry isn't allowed to do magic outside school (which Harry neglected to tell them), locks him in his room reasoning that if he uses.
Helium - Full table General Name, Symbol, Number Helium, He, 2 Chemical series Noble gases Group, Period, Block 18 (VIIIA), 1, p Density, Hardness 0.1785 kg/m3, N/A Appearance colorless Atomic Properties Atomic weight 4.002602 amu Atomic radius (calc.) no data (31) pm Covalent radius 32 pm van der Waals radius 140 pm Electron configuration 1s2 e- 's per energy level 2 Oxidation states (Oxide) 0 (unknown) Crystal structure hexagonal Physical Properties State of matter gas Melting point 0.95 K (-458 °F) at 26 atm Boiling point 4.22 K (-452.07 °F) Molar volume 21.0 ×1010-3 m3/mol Heat of vaporization 0.0845 kJ/mol Heat of fusion 5.23 kJ/mol Vapor pressure not applicable Speed of sound 970 m/s at 293.15 K Miscellaneous Electronegativity no data (Pauling scale) Specific heat capacity 5193 J/(kg*K) Electrical conductivity no data Thermal.
Houston, Texas - List of famous and infamous people raised in Houston 9 Religion 10 Law and Government 10.11 List of Mayors 11 Historical Events 11.12 Murders and disasters 12 Sports Teams 13 Museums not located in the Museum District 14 Journalism 14.13 List of Newspapers 15 Education 15.14 Colleges and Universities 16 Houston in film and TV 17 External Links 18 Sources History Houston's Turbulent Beginning John Kirby Allen and Augustus Chapman Allen were seeking to build a city right after the Texas Revolution. On August 1836, they purchased 6,642 acres of land from T. F. L. Parrot, John Austin's widow for $9,428. The land, on the ruins of Harrisburg, was named after Sam Houston, a Texas Revolution hero due to the proximity to San Jacinto. A woman named Gail Borden, Jr, who.
Geography of Uzbekistan - point: Sariqarnish Kuli -12 m highest point: Adelunga Toghi 4,301 m Natural resources: natural gas, petroleum, coal, gold, uranium, silver, copper, lead and zinc, tungsten, molybdenum Land use: arable land: 9% permanent crops: 1% permanent pastures: 46% forests and woodland: 3% other: 41% (1993 est.) Irrigated land: 40,000 km² (1993 est.) Natural hazards: NA Environment - current issues: drying up of the Aral Sea is resulting in growing concentrations of chemical pesticides and natural salts; these substances are then blown from the increasingly exposed lake bed and contribute to desertification; water pollution from industrial wastes and the heavy use of fertilizers and pesticides is the cause of many human health disorders; increasing soil salination; soil contamination from agricultural chemicals, including DDT Environment - international agreements: party to: Biodiversity, Climate Change, Climate.
Universal Century - Zanscare Empire Universal Century Gundam Series: Mobile Suit Gundam (UC0079) Mobile Suit Gundam - The 08th MS Team (UC0079) Mobile Suit Gundam 0080 - A War in the Pocket (UC0080) Mobile Suit Gundam 0083 - Stardust Memories (UC0083) Mobile Suit Zeta Gundam (UC0086) Mobile Suit Double Zeta Gundam (UC0087) Mobile Suit Gundam - Char's Counterattack (UC0093) Mobile Suit Gundam F-91 (UC0122) Mobile Suit Victory Gundam (UC0153) Pre One-Year War: ;UC 0001 With Earth's population at 9 billion, an ambitious space colonization program begins. The calendar is changed to the Universal Century era. ;UC 0010 The Jupiter Energy Fleet is reorganized as the Jupiter Development Enterprise Group. ;UC 0016 The Earth Federation government establishes the Frontier Settlement Transport Bureau. ;UC 0027 Von Braun City, the first permanent lunar settlement, is completed. ;UC.
Frank Zappa - garde composers such as Edgar Varese and Igor Stravinsky and the local rhythm and blues and doo-wop groups. After a short career as a professional songwriter (his elegiac "Memories of El Monte" was recorded by The Penguins) Zappa joined a local R&B band as a guitarist. A short time later he re-christened the band "The Mothers" (and, later still, "Frank Zappa and the Mothers Of Invention" at the insistence of the record company.) The Mothers were signed by well known producer Tom Wilson, and soon produced the double album Freak Out (1966) a mixture of often topical R&B and experimental sound collage. The similarly eclectic Absolutely Free and Lumpy Gravy followed the next year. Zappa also recorded We're Only In It For The Money, a withering satire on both flower power.
Economy of Brazil - for one-third of GDP, Brazil's diverse industries range from automobiles, steel, and petrochemicals, to computers, aircraft, and consumer durables. With the increased economic stability provided by the Plano Real, Brazilian firms and multinationals have invested heavily in new equipment and technology, a large share of which has been purchased from U.S. firms. Brazil has a diverse and sophisticated services industry as well. During the early 1990s, the banking sector accounted for as much as 16% of GDP. Although undergoing a major overhaul, Brazil's financial services industry provides local firms a wide range of products and is attracting numerous new entrants, including U.S. financial firms. The Sao Paulo and Rio de Janeiro stock exchanges are undergoing a consolidation and the reinsurance sector is about to be privatized. The Brazilian Government has undertaken.
Electron orbital - 41 Niobium 2 8 18 12 1 42 Molybdenum 2 8 18 13 1 43 Technetium 2 8 18 14 1 44 Ruthenium 2 8 18 15 1 45 Rhodium 2 8 18 16 1 46 Palladium 2 8 18 18 0 47 Silver 2 8 18 18 1 48 Cadmium 2 8 18 18 2 49 Indium 2 8 18 18 3 50 Tin 2 8 18 18 4 51 Antimony 2 8 18 18 5 52 Tellurium 2 8 18 18 6 53 Iodine 2 8 18 18 7 54 Xenon 2 8 18 18 8 55 Caesium 2 8 18 18 8 1 56 Barium 2 8 18 18 8 2 57 Lanthanum 2 8 18 18 9 2 58 Cerium 2 8 18 19 9 2 59.
Ernest Solvay - at Rebecq, an illness prevented him from going to university. He worked in his uncle's chemical factory from the age of 21. In 1861, he developed the ammonia process for the manufacture of anhydrous sodium carbonate from table salt. He established his first factory at Couillet in 1863 and further perfected the process until 1872, when he patented it. Soon, Solvay process plants were established in the United Kingdom, the United States, Germany and Austria. Today, about 70 Solvay process plants are still operational worldwide. The exploitation of his patents brought Solvay considerable wealth, which he used for philantropic purposes, including the establishment of the Institute for Sociology at the University of Brussels, as well as international Institutes for Physics and Chemistry. He was two times elected to the Belgian Senate.
Dietary mineral - mineral Dietary minerals or trace minerals are chemical elements required by living organisms in very small quantities. The term micronutrients is also used to designate these elements and compounds containing them. In human nutrition, the most important trace minerals include (in alphabetical order): chromium copper iodine iron magnesium manganese potassium selenium zinc Secondary trace minerals, not all of which have been definitively established as essential to human nutrition, include: bismuth cobalt molybdenum nickel rubidium strontium tellurium titanium tungsten vanadium Calcium and sodium are not generally considered trace minerals, as they are needed in larger quantities. Aluminium is an essential trace mineral, but is toxic in higher doses; due to the extensive use of aluminium in food packaging today, one is more likely to get too much than too little. Iron and.
