[Q]: A friend asked me to answer this question: What is the full name of the company that markets pumice in slabs for use in commercial scouring?, using the article: People have used resources on and around the MonoInyo Craters for centuries. Mono Paiutes gathered obsidian from the MonoInyo Craters to make sharp tools and arrow points. Unworked obsidian was carried by the Mono Paiutes over passes in the Sierra Nevada to trade with other Native American groups. Chips of MonoInyo obsidian can still be found at many ancient mountain campsites. Gold rushrelated boomtowns sprang up near Mono Basin in the 19th century to exploit bonanzas. The largest of these, Bodie (north of Mono Lake), was founded in the late 1870s and grew large enough to need a tree mill, which was located at Mono Mills, immediately northeast of Mono Domes. Trees directly around the domes and on their slopes were felled to provide timber for the mill. As part of the California Water Wars, the Los Angeles Department of Water and Power purchased large tracts of land in the 1930s within Mono Basin and Owens Valley in order to control water rights. Excavation of an 11.5-mile (18.5 km) water tunnel under the southern part of the Mono Craters dome complex started in 1934 and was completed in 1941. Tunnel workers had to deal with loose and often water-charged gravels, pockets of carbon dioxide gas and flooding. About one man was lost for each mile excavated. Water diverted from its natural outlet in Mono Lake passes through the tunnel on its way to the Los Angeles Aqueduct system. The United States Pumice Company, based in Chatsworth, California, has mined the area for pumice since 1941. The company markets the pumice in slabs for use in commercial scouring and in large irregular chunks sold as yard decoration.Apollo 16's John Young and Charlie Duke did some of their geologic training here in June 1971. William R. Muehlberger was one of the geology instructors.Exploratory drilling for geothermal power occurred near the Mono Craters on the south shore of Mono Lake in 1971. The wells did not show promising results, so the effort was abandoned., what would be the answer ?
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[A]: The United States Pumice Company

[Q]: A friend asked me to answer this question: What is the last name of the person who was one of the first people to study conservation?, using the article: Nigel Reuben Rook Williams (15 July 1944 21 April 1992) was an English conservator and expert on the restoration of ceramics and glass. From 1961 until his death he worked at the British Museum, where he became the Chief Conservator of Ceramics and Glass in 1983. There his work included the successful restorations of the Sutton Hoo helmet and the Portland Vase. Joining as an assistant at age 16, Williams spent his entire career, and most of his life, at the British Museum. He was one of the first people to study conservation, not yet recognised as a profession, and from an early age was given responsibility over high-profile objects. In the 1960s he assisted with the re-excavation of the Sutton Hoo ship-burial, and in his early- to mid-twenties he conserved many of the objects found therein: most notably the Sutton Hoo helmet, which occupied a year of his time. He likewise reconstructed other objects from the find, including the shield, drinking horns, and maplewood bottles. The "abiding passion of his life" was ceramics, and the 1970s and 1980s gave Williams ample opportunities in that field. After nearly 31,000 fragments of shattered Greek vases were found in 1974 amidst the wreck of HMS Colossus, Williams set to work piecing them together. The process was televised, and turned him into a television personality. A decade later, in 1988 and 1989, Williams's crowning achievement came when he took to pieces the Portland Vase, one of the most famous glass objects in the world, and put it back together. The reconstruction was again televised for a BBC programme, and as with the Sutton Hoo helmet, took nearly a year to complete. Williams died at age 47 of a heart attack while in Aqaba, Jordan, where he was working on a British Museum excavation. The Ceramics & Glass group of the Institute of Conservation awards a biennial prize in his honour, recognising his significant contributions in the field of conservation., what would be the answer ?
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[A]: Williams

[Q]: A friend asked me to answer this question: What result had Bethe calculate to be almost impossible?, using the article: Others were less optimistic. Ramsey chose zero (a complete dud), Robert Oppenheimer chose 0.3 kilotons of TNT (1.3 TJ), Kistiakowsky 1.4 kilotons of TNT (5.9 TJ), and Bethe chose 8 kilotons of TNT (33 TJ). Rabi, the last to arrive, took 18 kilotons of TNT (75 TJ) by default, which would win him the pool. In a video interview, Bethe stated that his choice of 8 kt was exactly the value calculated by Segre, and he was swayed by Segre's authority over that of a more junior [but unnamed] member of Segre's group who had calculated 20 kt. Enrico Fermi offered to take wagers among the top physicists and military present on whether the atmosphere would ignite, and if so whether it would destroy just the state, or incinerate the entire planet. This last result had been previously calculated by Bethe to be almost impossible, although for a while it had caused some of the scientists some anxiety. Bainbridge was furious with Fermi for scaring the guards who, unlike the physicists, did not have the advantage of their knowledge about the scientific possibilities. His own biggest fear was that nothing would happen, in which case he would have to head back to the tower to investigate.Julian Mack and Berlyn Brixner were responsible for photography. The photography group employed some fifty different cameras, taking motion and still photographs. Special Fastax cameras taking 10,000 frames per second would record the minute details of the explosion. Spectrograph cameras would record the wavelengths of light emitted by the explosion, and pinhole cameras would record gamma rays. A rotating drum spectrograph at the 10,000-yard (9,100 m) station would obtain the spectrum over the first hundredth of a second. Another, slow recording one would track the fireball. Cameras were placed in bunkers only 800 yards (730 m) from the tower, protected by steel and lead glass, and mounted on sleds so they could be towed out by the lead-lined tank. Some observers brought their own cameras despite the security. Segre brought in Jack Aeby's 35 mm..., what would be the answer ?
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[A]:
incinerate the entire planet