scientific american - 1993 02 - beating resistance in superconductors
scientific american - 1993 02 - beating resistance in superconductors
... aplomb.34 SCIENTIFIC AMERICAN February 1993 RAYMOND GENDREAUCopyright 1993 Scientific American, Inc.Copyright 1993 Scientific American, Inc.ing to computers. A few scientists, in- cluding Stephen ... Myhrvoldsparks imaginations. SCIENTIFIC AMERICAN February 1993 35Copyright 1993 Scientific American, Inc.Within the next 50 years, the hu-man population is likely to ex-ceed nine billion, and ... investigated single-chargetransport in small tunnel junctions. Healso works on his violin playing and veg-etable gardening. Huse has been primar-ily interested in the theory of phase tran-sitions in...
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scientific american - 1993 06 - tuning in the radio signals of ancient galaxies
... supplementaryinsulin injections, the cyclosporine ther-apy was stoppedÑbut the implants con-tinued to function. Some are still churn-ing out insulin more than a year after in- jection. Soon-Shiong ... example, thereceptor proteins for the interleukin-3and interleukin-5 cytokines share thesame beta-chain subunit.34 SCIENTIFIC AMERICAN June 1993 David’s VictoryGene causing “bubble boy”illness ... dubious link between genes and behavior.Copyright 1993 Scientific American, Inc. SCIENTIFIC AMERICAN June 1993 45Copyright 1993 Scientific American, Inc.atically measuring subsurface temper-atures...
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scientific american - 1993 01 - the turbulent birth of the milky way
... 4,650 4,40012-BILLION-YEAR-OLD AGE TRACK15-BILLION-YEAR-OLD AGE TRACKNGC 288NGC 362Copyright 1992 Scientific American, Inc.means that within the halo the only re-maining main-sequence stars ... Inc.case, it was my good chance.Ó Levi-Mon-talcini and her family left Turin in 1942for the surrounding hills and success-fully survived the war in hiding. By con-vincing farmers that she needed eggs ... TurinÑjust be-fore Mussolini and Hitlerforged their alliance. Unde-terred, Levi-Montalcini con-tinued her research: ÒI im-mediately found a way toestablish a laboratory in mybedroom.Ó In...
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scientific american - 1993 03 - black holes and the centrifugal force paradox
... a con-sequence of the bending of light..Copyright 1993 Scientific American, Inc. SCIENTIFIC AMERICAN March 1993 75Copyright 1993 Scientific American, Inc.78 SCIENTIFIC AMERICAN March 1993 hree ... callthis the seeing-is-believing principle.The true signiÞcance of the see-ing-is-believing principle was notrevealed to me until 1985. Oneday in the spring of that year I gave an informal lunch ... The glu-tamate stimulates additional NMDA re- SCIENTIFIC AMERICAN March 1993 29Copyright 1993 Scientific American, Inc.ceptors, increasing the potential for neu-rotoxicity, Benos explains.Taken...
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scientific american - 1993 04 - controlling the quantum jitters of atoms
... the prin-ciples of operation are the same.Indeed, in 1984 physicists at the MaxPlanck Institute for Quantum Optics in Garching, Germany, succeeded in oper-ating a ÒmicromaserÓ containing onlyone ... help. SCIENTIFIC AMERICAN April 1993 43Copyright 1993 Scientific American, Inc.For the Þrst time, humanity as awhole is growing older. The demo-graphic aging of the populationbegan early in ... isde-excited, and the cavity contains a photon (center). The atomand the cavity continually exchange energy. SCIENTIFIC AMERICAN April 1993 57Copyright 1993 Scientific American, Inc.April 1993...
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scientific american - 1993 05 - building soft machines from smart gels
... Presidentand Chief Financial OÛcer, R. Vincent Bar-ger; Vice Presidents: Jonathan Piel, John J.Moeling, Jr.8 SCIENTIFIC AMERICAN May 1993 PRINTED IN U.S.A.Copyright 1993 Scientific American, Inc.Mathematics ... NIAID an-nounced that it was Òaccelerating the tri-al design processÓ with the intention ofstarting clinical trials of convergent ther-apy during the spring. Initially the tri-als were to involve ... molecule.18 SCIENTIFIC AMERICAN May 1993 RICK FRIEDMAN Black StarCopyright 1993 Scientific American, Inc.far it is completely uncertain how wellÑif at allÑit will work in people. The vi-ruses in...
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scientific american - 1993 07 - telling resonable risks from fools' chances
... uncertainty in studying and testing a theory in funda-mental physics. ÒItÕs experimental the-oretical physics.Ó ÑPhilip Yam24 SCIENTIFIC AMERICAN July 1993 A Kinder WarÒHarm reductionÓ gains ... certain orpotential hazards such as AIDS, asbes-tos in schools and contaminants in foodand drinking water. Meanwhile scien-tiÞc and social developments are bring-ing new problemsÑglobal warming, ... substance in their bodies by inhaling dust or ingest-ing dirt. EÝects studies might then at-tempt to determine the reduction in aca-demic performance attributable to spe-ciÞc amounts of lead in...
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scientific american - 1993 08 - can particles move faster than light
... intelligence in the cosmosÑand as a principle in it-self. ÒThe principle of maximum diver-sity,Ó he wrote in his 1988 book Infinite in All Directions, ensures that Òwhenthings are dull, something new ... tunneling and plays a ma-jor role in science and technology. Tun-neling is of central importance in nu-clear fusion, certain high-speed elec-tronic devices, the highest-resolutionmicroscopes in ... countries, as well as in France, Britain and Belgium, to disposeof high-level reprocessing waste by in- corporating it into glass that will even-tually be placed in deep geologic repos-itories. Although...
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scientific american - 1993 09 - special issue - life, death, and the immune system
... destroy insulin-produc-ing cells in the pancreas, and in multiplesclerosis, they direct their fury againstthe insulation surrounding nerve Þbers in the brain and spinal cord.Treating autoimmune ... help.)Smalley received early lessons in prob-lem solving and engineering in his up-The All-Star of Buckyball46 SCIENTIFIC AMERICAN September 1993 FULLERENE FINDER Richard E. Smalley holds a model ... compete,ÓSmalley says. ÒI likebeing on the teamthat did it first.ÓCopyright 1993 Scientific American, Inc.Copyright 1993 Scientific American, Inc. SCIENTIFIC AMERICAN September 1993 53What did Franz...
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scientific american - 1993 10 - is los angeles winning the war on smog
... to pre-vent the introduction of cross-links andsucceeded in determining the completestructure of insulin.Four years later, Sanger won the No-bel Prize in Chemistry for the insu-lin work. ... linkedtogether in some order in a chain, thesequence could be determined in thefollowing way. After labeling the chains,they could be broken down into individ-ual amino acids, indicating, say, that Bwas ... BERNARDINO MOUNTAINSSANTA ANA MOUNTAINSON-ROAD VEHICLES(CARS, BUSES, TRUCKS)HEAVY INDUSTRYOFF-ROAD VEHICLES(PLANES, TRAINS, SHIPS)CEANCopyright 1993 Scientific American, Inc.36 SCIENTIFIC AMERICAN...
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Từ khóa: japanese food culture in americanamerican banks in vietnamhow to draw support and resistance lines in mt4american imperialism in the 19th and 20th centurywhat factors fueled american imperialism in the 19th centuryBáo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018Nghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEPhối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíChuong 2 nhận dạng rui roGiáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIMÔN TRUYỀN THÔNG MARKETING TÍCH HỢPTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ