LEADER 05614nam 2200709Ia 450 001 9910953341303321 005 20251116141310.0 010 $a1-280-21173-3 010 $a9786610211739 010 $a0-309-56028-4 010 $a0-585-16842-3 035 $a(CKB)111000211177056 035 $a(EBL)3377228 035 $a(SSID)ssj0000242115 035 $a(PQKBManifestationID)11217924 035 $a(PQKBTitleCode)TC0000242115 035 $a(PQKBWorkID)10300995 035 $a(PQKB)11446097 035 $a(MiAaPQ)EBC3377228 035 $a(Au-PeEL)EBL3377228 035 $a(CaPaEBR)ebr10068469 035 $a(CaONFJC)MIL21173 035 $a(OCoLC)923269066 035 $a(BIP)46114312 035 $a(BIP)1416783 035 $a(EXLCZ)99111000211177056 100 $a19930308g1992 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 10$aScience at the frontier$hVolume 1 /$fby Addison Greenwood ; with Marcia F. Bartusiak, Barbara A. Burke, and Edward Edelson for the National Academy of Sciences 205 $a1st ed. 210 $aWashington, D.C. $cNational Academy Press$d1992 215 $a1 online resource (288 p.) 300 $aBased on papers originally "presented ... at an annual symposium, the Frontiers of Science, organized by the National Academy of Sciences"--Foreword. 311 08$a0-309-04592-4 320 $aIncludes bibliographical references and index. 327 $a""Science at the Frontier""; ""Copyright""; ""Foreword""; ""Contents""; ""1 Geology ""; ""THE GREAT HEAT ENGINE: MODELING EARTH'S DYNAMICS""; ""How the Earth Works""; ""A New Model of the Earth""; ""How the Model Came to Be""; ""New Methods and Tools for Working Geologists""; ""Sharpening the Focus on the Earth's Dynamics""; ""Hot Spots, French Polynesia, and the ""Superswell""""; ""Is Volcanism an Essential Part of the Cycle?""; ""Dynamics in the Core and the Magnetic Field""; ""Evidence in the Fossil Record""; ""Geology of the Other Planets""; ""Bibliography""; ""Recommended Reading"" 327 $a""2 Photosynthesis """"ARTIFICIAL PHOTOSYNTHESIS: CHEMICAL AND BIOLOGICAL SYSTEMS FOR CONVERTING LIGHT TO ELECTRICITY AND FUELS""; ""Photosynthesis In Nature""; ""Photons and the Physics of Light Energy""; ""Harvesting Photons and Putting Them to Use""; ""The Reaction Center""; ""Laboratory Photosynthesis: Important First Steps""; ""Excited-state Electron Transfer in Synthetic Systems""; ""Lessons for and from the Construction of Photodiodes""; ""Photovoltaic Cells""; ""Construction of Typical Solar Cells""; ""Use of Liquid Semiconductor Junctions""; ""Bibliography""; ""Recommended Reading"" 327 $a""3 Dynamical Systems """"WHEN THE SIMPLE IS COMPLEX: NEW MATHEMATICAL APPROACHES TO LEARNING ABOUT THE UNIVERSE""; ""The Mathematics of Dynamical Systems""; ""Historical Insightsa???Implications of Complexity""; ""Sensitivity to Initial Conditions""; ""Chaos, Determinism, and Information""; ""Instabilities and Real-world Systems""; ""Implications for Biology?""; ""The Role of Computers and Computer Graphics""; ""Bibliography""; ""4 Astrophysics ""; ""LOOKING FARTHER IN SPACE AND TIME""; ""Gravity's Shadow: the Hunt for Omega""; ""The Texture of the Universe"" 327 $a""The Big Bang Picture of the Universe""""Basic Measurements in Space""; ""Redshift Provides the Third Dimension""; ""Quasar Studies Provide a Model""; ""Dark Matter Seen Through the Lens of Gravity""; ""Discovering the Blue ""Curtain""""; ""Gravity's Role as a Lens and a Cosmological Force""; ""The Formation of Stars""; ""Bibliography""; ""Recommended Reading""; ""5 Gene Regulation ""; ""GENE CONTROL: TRANSCRIPTION FACTORS AND MECHANISMS""; ""How DNA Works""; ""The Role of DNA""; ""Noncoding DNAa???Subtlety, Punctuation, or Just Plain Junk?""; ""The Central Dogma of Biology"" 327 $a""Transcription Factors""""Drawing Lessons from Simpler Organisms""; ""Exploring the Details of Binding Protein to DNA""; ""Using the Power of Genetics to Study Transcription""; ""Activationa???Another Role of Transcription Factors""; ""The Transcription Factor in Development""; ""Is Cancer Gene-Encoded Growth Gone Awry?""; ""Life Itself""; ""Bibliography""; ""Recommended Reading""; ""6 Magnetic Resonance Imaging ""; ""NEW BREAKTHROUGHS IN MEDICAL DIAGNOSIS""; ""The Physics and Computation Behind MRI""; ""How MRI Generates Information""; ""T1 and T2 Relaxation Times as Data"" 327 $a""T1 and T2 Time as a Diagnostic Lens"" 330 $aScience at the Frontier takes you on a journey through the minds of the nation's leading younger scientists as they explore the most exciting areas of discovery today. The volume describes the movement to expand scientific theory and measurement, the relationship between science and government in the search for effective pollution control, the increasing use of computer modeling in science, the search for the secrets of gene transcription, current developments in magnetic resonance imaging, and more. 606 $aDiscoveries in science$vCongresses 606 $aScience$vCongresses 615 0$aDiscoveries in science 615 0$aScience 676 $a509.2 700 $aGreenwood$b Addison$01868879 701 $aBartusiak$b Marcia$f1950-$01867851 701 $aBurke$b Barbara A$01868880 701 $aEdelson$b Edward$f1932-2013.$01272525 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910953341303321 996 $aScience at the frontier$94533868 997 $aUNINA