scientific american - 1994 08 - red tides - a growing hazaed
... COLOMBIA CUBA ECUADOR EGYPT GREECE INDONESIA IRAN ISRAEL LIBYA MALAYSIA PAKISTAN PERU PHILIPPINES SAUDI ARABIA SINGAPORE SOUTH AFRICA SYRIA TAIWAN VENEZUELA ARGENTINA BRAZIL CHINA INDIA NORTH ... Russia and built a base at Bandar Abbas. The U.S. then assigned two Los AngelesÐclass nuclear-powered attack submarines to patrol and map the area. Roughly a quar- ter of the worldÕs oil...
Ngày tải lên: 12/05/2014, 14:57
... forming a radial wave packet, we created a state that exhibits strong classical characteristics. Our goal, however, was to form a classical atom. In that regard, the radial wave packet has a shortcoming. ... a stra- tegic management consulting Þrm. SCIENTIFIC AMERICAN June 1994 37 Copyright 1994 Scientific American, Inc. McNamara was also intrigued by the potential milita...
Ngày tải lên: 12/05/2014, 14:56
... www.sciam.com SCIENTIFIC AMERICAN 21 RANDY OLSON Aurora news SCAN Mainstream climatologists perceive flaws in a paper by Willie Soon and Sallie Baliunas, the two Harvard-Smithsonian researchers who ... weaker statements about global warming. logical consultant in Kew, Australia, and for- mer head of the Australian National Climate Center. But he says that “from a purely sta- tistical...
Ngày tải lên: 12/05/2014, 16:18
scientific american - 1995 08 - a new theory of aids latency
... warming, and that coastal erosion and ßooding are a reality. With half the planetÕs pop- ulation living in coastal areas, ancient and modern data suggest we may be in a madhouse again. ÑChristina Stock R arely ... on. SCIENTIFIC AMERICAN August 1995 45 PHILIP MORRISON at Los Alamos Labo- ratory in 1945. LOS ALAMOS NATIONAL LABORATORY (INSET)UPI/BETTMANN ATOMIC SCIENTISTS gather at a...
Ngày tải lên: 12/05/2014, 15:01
scientific american - 1993 08 - can particles move faster than light
... START II will increase the scale of the war- head disposal problem, Russia and the U.S. are already dismantling nu- clear warheads at a considerable rateÑ between 1,000 and 2,000 warheads a year ... II RECIPROCAL UNILATERAL CUTS OF TACTICAL NUCLEAR WEAPONS ARZAMAS RUSSIA PENZA ZLATOUST NIZHNYAYA TURA EKATERINBURG TOMSK KRASNOYARSK 6,564 UKRAINE WARHEAD ASSEMBLY/DISASSEMBLY PLUTONIUM SEPAR...
Ngày tải lên: 12/05/2014, 14:50
scientific american - 1994 01 - searching for strange quark matter
... interference. A sea- wall or a dike at the landward boundary of a salt marsh can prevent the inland migration of the marsh when the sea 68 SCIENTIFIC AMERICAN January 1994 BOTTOMLAND HARDWOOD WETLANDS that ... lands of Cana- da, Alaska and Eurasia, in particular, may help moderate climatic change by serving as a sink for the greenhouse gas carbon dioxide. Wetlands also have comm...
Ngày tải lên: 12/05/2014, 14:50
scientific american - 1994 02 - do aerosols slow climatic warming
... newest aircraft types: the F-117 Stealth Þght- ers, F-15s and F-16sÑAmericaÕs top-of- the-line ÞghtersÑand the sturdy A- 10 ground-attack airplane. Marine and navy aviation units will augment ... runways on land in addition to those at sea. The present 620 active carrier-borne naval Þghters, bombers and attack aircraft can be pared to about 210 planes. Land- based, long-range maritime patrol...
Ngày tải lên: 12/05/2014, 14:50
scientific american - 1994 03 - visiting yourself in the past
... American, Inc. 32 SCIENTIFIC AMERICAN March 1994 C lad in a dark, classically tailored suit and black shoes, Subrahman- yan Chandrasekhar approaches with a slow but ßuid gait. He shakes my hand ... 1,000 SUB-SAHARAN AFRICA NEAR EAST AND NORTH AFRICA ASIA (EXCLUDING CHINA) LATIN AMERICA Arable Land Soil Erosion of Vegetated Land IN USE POTENTIAL Copyright 1994 Scientific Amer...
Ngày tải lên: 12/05/2014, 14:54
scientific american - 1994 04 - the dilemmas of prostate cancer
... wea- pons remain nonlethal. The chairman of the con- ference was John B. Alexan- der, who heads the nonle- thal defense program at Los Alamos National Laboratory and has been called (albeit by a ... was in- troduced to Alexander by a mutual ac- quaintance, Richard Groller, a former intelligence oÛcer. Morris, Alexander STICKY FOAM engulfs a man- nequin in a test at Sandia National L...
Ngày tải lên: 12/05/2014, 14:54
scientific american - 1994 07 - how cancers defeat drug therapy
... fission idea (b), rapid rotation caused a piece of the early earth to a b Copyright 1994 Scientific American, Inc. dered near the earth. A few could have been as large as Mars. Hartmann and Davis hypothesized ... clear that large farms, which can a ord more ani- mals and equipment and can organize their use more e - ciently, will have a significant advantage over smaller hold...
Ngày tải lên: 12/05/2014, 14:57