scientific american - 1996 04 - smart rooms
scientific american - 1996 04 - smart rooms
... 24JOHN BIGELOW TAYLOR Art Resource26 Scientific American April 1996 SACopyright 1996 Scientific American, Inc.News and Analysis28 Scientific American April 1996 FIELD NOTESInterview with a ParrotFor ... design plan, software de-News and Analysis Scientific American April 1996 35Copyright 1996 Scientific American, Inc.APRIL 1996 $4.95NANOTECHNOLOGY • FINDING EARTH-LIKE PLANETS • CHORNOBYL ... Scientific American April 1996 EVOLUTIONARY BIOLOGISTMargie Profet has turned to the study of stars.RAYMOND GENDREAUCopyright 1996 Scientific American, Inc.44 Scientific American April 1996 These...
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scientific american - 1993 04 - controlling the quantum jitters of atoms
... (212) 35 5-0 408.Index of articles since 1948 availablein electronic format. Write SciDex™, SCI-ENTIFIC AMERICAN, 415 Madison Ave-nue, New York, N.Y. 1001 7-1 111, or fax(212) 35 5-0 408.Photocopying ... as patchy asthe calico cat herself. ÑJohn Rennie30 SCIENTIFIC AMERICAN April 1993Copyright 1993 Scientific American, Inc.32 SCIENTIFIC AMERICAN April 1993If atoms of hydrogen could be cooledto ... Department, SCIENTIFIC AMERI-CAN, 415 Madison Avenue, New York,N.Y. 1001 7-1 111 or fax inquiries to(212) 35 5-0 408.Back issues: $6 each ($7 outside U.S.)prepaid. Most numbers available. Cred-it...
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scientific american - 1994 04 - the dilemmas of prostate cancer
... charge-density waveor a spin-antiparallel (or “singlet”) superconducting state results.CHARGE-DENSITY WAVESPIN-DENSITY WAVESPIN-UPELECTRONHOLESPIN-DOWNELECTRONCopyright 1994 Scientific American, ... in re- SCIENTIFIC AMERICAN April 1994 53CHARGE AND SPIN DENSITIES of electrons are shown in nor-mal metals, charge-density waves and spin-density waves.The spin-up (orange ) and spin-down ... real in-come is to use a measure known as SCIENTIFIC AMERICAN April 1994 47Copyright 1994 Scientific American, Inc.command GNP (gross national prod-uct). Real GNP, the conventional stan-dard...
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scientific american - 1995 04 - machines that learn from hints
... ÑSasha Nemecek26 SCIENTIFIC AMERICAN April 1995Until recently, many medical in-vestigators believed the AIDS vi-rus remains more or less dor-mant in asymptomatic persons, step-ping up its ... But from themoment I walk into the direc-torÕs modest oÛce, it is appar-ent that its newest inhabitant,Arati Prabhakar (pronouncedAR-ah-thee Pra-BOCK-er), doesnot Þt the archetype for thisagencyÑand ... because of aßaw in the free-market system, U.S. com-panies invest so little in long-term re-search that they risk losing their techno-logical edge to government-subsidizedcompetitors overseas....
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scientific american - 1996 01 - the diet - aging connection
... two weeksago, we know.Ó ÑCorey S. Powell SCIENTIFIC AMERICAN January 1996 23Copyright 1995 Scientific American, Inc.24 SCIENTIFIC AMERICAN January 1996 Checking water quality was oncea simple ... OGDENCopyright 1995 Scientific American, Inc. SCIENTIFIC AMERICAN January 1996 31easily destroyed. Moreover, some theo-rists raised certain technical objec-tions, namely, that the release of a pho-ton ... Lockheed Martin/EPACopyright 1995 Scientific American, Inc. SCIENTIFIC AMERICAN January 1996 25A NTI GRAVITYInto the Wild Green YonderThe test of a first-rate intelligence,F. Scott Fitzgerald...
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scientific american - 1996 02 - saving malnourished minds
... while there ex-ists an acute need for health care by somany Americans, remains diÛcult toswallow. ÑDavid Schneider SCIENTIFIC AMERICAN February 1996 21Copyright 1996 Scientific American, Inc.Schizophrenia ... 35 5-0 408.Index of articles since 1948 available inelectronic format. Write SciDex, Scien-tiÞc American, 415 Madison Avenue, NewYork, NY 1001 7-1 111, fax (212) 98 0-8 175or call (800) 77 7-0 444.ScientiÞc ... 77 7-0 444.ScientiÞc American- branded productsavailable. For free catalogue, write Scien-tiÞc American Selections, P.O. Box 11314,Des Moines, IA 5034 0-1 314, or call (800)77 7-0 444.Photocopying...
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scientific american - 1996 03 - revealed - spy photo secrets
... INSTITUTECopyright 1996 Scientific American, Inc.36 SCIENTIFIC AMERICAN March 1996 Anew cryptanalytic attack has shaken conÞdence in the securi-ty of some very popular encryp-tion schemesÑand ... 18 SCIENTIFIC AMERICAN March 1996 tion under way in the rem-nant of supernova 1006,this process probably oc-curs in other young super-nova remnants,Ó notes Rob-ert Petre of the ... 42 SCIENTIFIC AMERICAN March 1996 Life advances by trialand error. There is no planning, only evolution. Copyright 1996 Scientific American, Inc.As late as the end of the 19th cen-tury,...
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scientific american - 1996 05 - the comets' lair
... Copyright 1996 Scientific American, Inc.News and Analysis22 Scientific American May 1996 A Peek at PlutoThe Hubble Space Telescope has cap-tured pictures of Pluto’s frosty sur-face—66 years ... solution,”Strassmann testified in a Senate hear-ing, “has resulted in thousands of unin-tegrated, hard-to-maintain, impossible-to-manage, contractor-dependent is-lands of automation.” Because the law“does ... Italy;telephone: 3 9-2 -7 60 0-1 104; fax: 3 9-2 -7 60 0-3 719.Further ReadingHidden Killers: The Global Problem with Uncleared Landmines: AReport on International Demining. Political-Military Affairs...
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scientific american - 1996 06 - the space station
... objective: or-ange-throated males beat out blue-throats, blue-throats overpower yel-low-striped throats and yellow-stripedthroats checkmate orange-throats.These relations have generated a six-year ... even movesNEUROSCIENCECopyright 1996 Scientific American, Inc.News and Analysis Scientific American June 1996 35sciences Institute, sits in front of a floor-to-ceiling rack of equipment recordingthe ... 77 7-0 444.Scientific American- branded products available. For free catalogue, write Scientific American Selec-tions, P.O. Box 11314, Des Moines, IA 5034 0-1 314, or call (800) 77 7-0 444. E-mail: info@sciam.comPhotocopying...
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scientific american - 1996 07 - hawking vs penrose
... 77 7-0 444.Scientific American- branded products avail-able. For free catalogue, write Scientific American Selections, P.O. Box 11314, DesMoines, IA 5034 0-1 314, or call (800) 77 7- 044 4. E-mail: info@sciam.comPhotocopying ... than the CD-Rand CD-E (erasable) formats. Until now,optical recording systems have reliedpredominantly on magneto-optical tech-Next-Generation Compact Discs Scientific American July 1996 45SALES ... comebackEVOLUTIONARY BIOLOGYCopyright 1996 Scientific American, Inc.News and Analysis30 Scientific American July 1996 parts.” In the eyes of Wilson and Sober,a group may be not only a close-knitfamily but also...
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