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Record Nr. |
UNINA9910506381303321 |
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Autore |
McConnell Brian S. |
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Titolo |
The Alien Communication Handbook : so we received a signal -- now what? / / Brian S. McConnell |
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Pubbl/distr/stampa |
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Cham, Switzerland : , : Springer, , [2021] |
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©2021 |
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ISBN |
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Descrizione fisica |
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1 online resource (298 pages) |
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Collana |
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Disciplina |
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Soggetti |
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Interstellar communication |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di contenuto |
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Intro -- Preface -- Contents -- 1: C-Day -- What Happens if SETI Succeeds? -- How Many Alien Civilizations Are out There? -- The Drake Equation -- L (And Other Unknown Unknowns) -- What Are the Odds of Detecting a Signal from another Civilization? -- There Is Nobody out there (there Never Was or they Are all Dead) -- They Are Not Transmitting Signals or Emitting Technosignatures -- They Are Selectively Targeting their Transmissions -- Their Transmissions Are Intermittent -- They Are Not Aware of our Presence Yet -- They Are Using Other Methods of Communication -- How Will Society Respond to Contact? -- The Rio Scale -- Planetary Biosignatures -- Microbial Fossils -- Active Microbial Life -- Macroscopic Fossils -- Macroscopic Life -- Planetary Technosignatures -- Animal Communication Breakthroughs -- Beamed Propulsion Signals -- Engineered Signals -- Engineered Artifacts -- Robotic Probes -- Crewed Vehicles -- A Primer for Policymakers -- Understanding the Type of Contact -- Technosignatures without Communication -- Passive Technosignatures -- Active Technosignatures -- Technosignatures with Communication -- The Risks of Contact -- Social Disruption/Culture Shock -- Misinformation and Bad Actors -- State Competition and Information Warfare -- Unintentional Consequences of Technological Knowledge Transfer -- Intellectual Property Rights and Law -- Regulating the Transmission of Outbound Signals (METI) -- Competition to Intercept Inscribed Matter Probes -- Artificially Intelligent Programs |
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or Agents -- References -- 2: The Limits of Communication -- Prerequisites for Interstellar Communication -- Incentives for Interstellar Communication -- Intelligence -- Observables -- Symbolic Communication -- Interaction -- Multiple Paths to Comprehension -- 3: Animal Communication -- What's in a Language? -- Information Theory and the Structure of Language. |
Symbol Frequency -- Zipf's Law -- The Distribution of Meaning -- The Law of Abbreviation -- Recursion -- Comparing Animal Communication Systems -- Selected Examples of Animal Communication -- Ants -- Bees -- Prairie Dogs -- How Might a Communication Engineer Approach Animal Communication? -- Step 1: Identifying which Animal Is Vocalizing -- Step 2: Identifying the Basic Elements of an Animal's Calls -- Step 3: Building a List of Possible Utterances or Phonemes -- Step 4: Measuring Frequency of Use -- Step 5: Assigning Meaning to Words and Phrases -- Step 6: Building a Recognizer or Crude Translator -- Step 7: Interactive Experiments -- Step 8: Two-Way Communication Experiments -- Applying these Techniques to SETI -- The Limitations of Animal Communication as a SETI Analog -- Interactivity -- Intent -- Constructed Languages (Conlangs) -- References -- 4: A Timeline of Events -- Signal or Technosignature Detection -- Signal Analysis and Demodulation -- One-Way Communication -- Deciding whether to Respond -- Transmitting a Response -- Two-Way Communication Begins -- References -- 5: Information Delivery (Carriers) -- Electromagnetic Radiation -- Inscribed Matter -- Gravitational Radiation -- Other Carriers -- Reference -- 6: Modulation -- Radio Signals -- Amplitude Modulation -- Pulse Width Modulation -- Pulse Interval Modulation -- Frequency Modulation -- Phase Modulation -- Optical Signals -- Pulse Length Modulation -- Pulse Interval Modulation -- Wavelength (Color) Multiplexing -- Polarization Modulation -- How Much Information Can ET Transmit? -- Radio/Microwave Communication -- Optical and Infrared Communication (Pulsed Beacons) -- Annual Transmission Capacity -- Inscribed Matter and Artifacts -- Bracewell Probes -- Conclusions -- References -- 7: Lessons from Computing and Communications -- Segmenting Data -- Forward Error Correction. |
How Much Error Correction Is Enough? -- Building a Tree -- Hinting at Message Structure -- Checklist of Patterns to Look for -- 8: Entropy: Measuring Order and Randomness -- 9: Algorithmic Communication Systems -- ET Basic -- Boolean Arithmetic -- NAND (NOT + AND) -- AND -- NOR (NOT OR) -- OR -- NOT -- Math Operations -- Memory (Variables) -- Inter-Program Communication and Input/Output Interfaces -- Inter-Program Communication -- Input/Output Interfaces -- Comparison Operations and Branching -- Modularity and Reuse -- Applying These Concepts to an ET Programming Language -- Lossless Compression Algorithms -- Lossy Decompression Algorithms -- Logic Gate Networks -- The Limits of Computation, AI, and Sentient Messages -- Level 0: Static (Non-interactive) Information -- Level 1: Intelligently Designed Algorithmic Messages -- Level 2: Machine Learning/Specialist AIs -- Level 3: General AI (Sentient Messages) -- Finding and Analyzing Algorithmic Systems -- Checklist of Patterns to Watch for -- References -- 10: Images -- Bitmaps -- Encoding Video on the Voyager Golden Records -- Assisting the Receiver in the Decoding Process -- Color Images -- Image Compression -- Color -- Compression Algorithms -- How Many Images Can ET Send? -- Checklist of Patterns to Watch for -- Planetary Images -- Saturn as Seen by Cassini -- A Jupiter Vista from Juno -- Landscapes -- Green Bank Telescope -- The Great Pyramid of Giza -- Life Forms -- Praying Mantis -- Purple Striped Jellyfish -- Visual Art -- Edward Hopper |
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"Groundswell" (1939) -- Visual Art -- The Tower of Babel (1563) -- 11: Three-Dimensional Images and Models -- Stereoscopic Imagery -- Point Clouds -- Polygon Meshes -- Programmatically Generated Objects -- Checklist of Patterns to Watch for -- 12: Four Dimensions (Video and Simulations) -- Motion Pictures -- Video Compression -- Implicit Compression. |
Algorithmic Compression -- Simulations -- 13: Sound -- How Much Information Is Needed for Audio? -- Recognizing Audio -- Defining the Time Base -- The Hydrogen Spin-Flip Transition -- Pulsars - A "Standard Bell"? -- Environmental Sounds -- Audio Compression -- 14: Communicating Fundamental Units and Scientific Information -- Time -- Distance -- Mass -- Energy -- Electric Charge -- 15: Semantic Networks and Constructed Languages -- Learning to Parse the Network -- Querying the Network -- What Nodes Is Node X Connected to? -- How Is Node X Related to Node Y? -- Which Nodes Are Most Connected? -- Linking a Semantic Network to Other Media Types -- Turbulence -- Nonlinear Sensitivity (The Butterfly Effect) -- The Limits of Communication -- Building an Interlingua -- Translating an Interlingua into Human Languages -- 16: Genomic Information -- Why Include Genomic Information? -- What Might a Primer Look Like? -- What Could We Learn from Genomic Information? -- Abiogenesis (How Life Started) -- Panspermia -- Convergent Chemical Evolution -- Diverse Genomic Systems -- The Tree of Life and the Formation of Species -- Patterns of Reproduction -- The History of Life on Other Worlds -- Preservation -- 17: The Galactic Internet -- Checklist of Patterns to Watch For -- 18: The Message Analysis and Comprehension Effort -- The Interstellar Communication Relay -- Tier 0: Raw Data Access -- Tier 1: Derived Signal Data -- Tier 2: Demodulated Data Streams -- Tier 3: Structured Data Extraction -- Separation of Concerns -- Initial Analysis and Visualization -- Low-Level Decoding and Collection Extraction -- Media Extraction and Conversion -- N-Dimensional Models -- Algorithmic Communication Systems -- Semantic Networks -- Genomic Information -- Other Data Types and Sensory Modalities (Unknown Unknowns) -- 19: What Could We Learn from Another Civilization?. |
Virtual Exploration and Experiential Communication -- Art and Culture -- The History of Life on Other Worlds -- Astronomical Surveys -- Deep Time Views of Earth and Human Civilization -- Reference -- Recommended Reading -- Exercises and Sample Problems -- Selected Books, Essays, and Other Materials -- Research Tools -- Index. |
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2. |
Record Nr. |
UNINA9910972513103321 |
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Autore |
Viroj Wiwanitkit |
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Titolo |
Environmental change and medicine / / Viroj Wiwanitkit |
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Pubbl/distr/stampa |
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New York, : Nova Biomedical Books, c2010 |
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ISBN |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (92 p.) |
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Collana |
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Environmental health--physical, chemical and biological factors series |
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Disciplina |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Environmental change in medicine : present concepts -- Vector and vector borne disease in situation of present environmental change -- Pathogens in environmental change : mutation to resistance -- Psychopathology responding to environmental change -- Focus on pregnancy and fertility in environmental change -- Environmental change : impact on maternal and child health -- Pediatric focus and immunization requirement -- Geriatric focus -- Global warming and medicine -- Nutritional concern in natural disaster -- Medical economics and political hot issues. |
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Sommario/riassunto |
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Environmental change is the present focus of our world. Its effect is interesting and should be followed. Based on the success of the previous book "climate change and health", it seems that the topic is of interest to the general readers in both medical and environmental science. Examples and models of important diseases are given in the chapters of this book. |
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