Science & Technical

Astronomy & Physics	Inventors / Inventions
Automobiles	Life Sciences
Earthquakes	Measurements / Mathematics
General	Time Zones / Tides / Sunrise / Sunset
Geology & Oceanography	Weather & Meteorology

Science & Technical
- Astronomy & Physics
  - Astronomy
    
    Asteroid Comet Impact Hazards
    
    From the NASA Ames Space Science Division. All known earth-crossing asteroids are listed, and predictions of asteroid/comet close approaches to the earth.
    
    Exploration of Comets - Jet Propulsion Laboratory/California Institute of Technology
    
    An interactive exploration of comets. Includes comet anatomy, life cycle, and specifications.
    
    International Meteor Organization
    
    Site contains a list of meteor showers, observation information, glossary and more.
    
    NASA Homepage
    
    Aeronautics and space research information.
    
    Old Farmer's Almanac - Astronomy
    
    Old Farmer's Almanac lists rise and set times for the sun, moon and planets, eclipse dates, and more.
    
    Sky Information
    
    Griffith Observatory site includes Sky Report, Eclipses, Moon Phases, Moonrise / Set, Sunrise / Set, Sun's Path, Tide Tables, Astronomical Zodiac, and Planetary Alignments in 2000.
    
    The Nine Planets
    
    Everything about planets in our solar system.
  - Chemistry
    
    Abbreviations of Chemical Compounds
    
    Includes Acronym database.
    
    ATSDR ToxFAQs: Hazardous Substance Fact Sheets
    
    Agency for Toxic Substances and Disease Registry's alphabetical index of toxic substances and diseases.
    
    Calculator's On-Line Center - Part III Science
    
    Chemistry - Unit Conversion to X-ray Interactions with Matter.
    
    Chem-Finder Database
    
    Locate common types of chemical information. Search by a chemical name, formula, molecular weight, or CAS Registry Number.
    
    Fundamental Physical Constants
    
    Freie Universität Berlin, Chemistry Department site.
    
    Periodic -Web Elements
    
    Complete table of elements, atomic weights, etc.
    
    Toxic Release Inventory
    
    Information from the Environmental Protection Agency on toxic substances released in the environment includes State Fact Sheets with facilities and chemicals listed.
  - Physics
    
    Calculator's On-Line Center - Part III Science/Physics and Astrophysics
    
    Astro-Physical Units to Wave Interaction & Simulations.
    
    National Institue of Standards and Technology (NIST) Reference on Constants, Units and Uncertainty
    
    CODATA Internationally recommended values of the Fundamental Physical Constants. Search for value by name (i.e. speed of light).
- Automobiles
  Classic Car Database
  
  Specifications, parts & services, museums & clubs for American automobiles (antique, classic, vintage and muscle cars) manufactured between 1910 and 1975.
  
  Edmund's Automobile Buyer's Guides
  
  Provides pricing guides for new and used cars and trucks. Includes road test results, information on recalled vehicles.
  
  Kelley New and Used Cars
  
  Car prices from the National edition.
  
  NADA Guides
  
  New and used car pricing and car buying information and resources. In addition, the site offers free values for classic cars, motorcycles, antique motorcycles, boats, personal watercraft, snowmobiles, ATVs, RVs, SUVs, trucks, minivans, aircraft and manufactured housing.
- Earthquakes
  SCEC Data Center: So.Calif. Earthquake Center
  
  Caltech site. Latest seismographic information. Includes maps and historical information.
  
  USGS Earthquake Information
  
  United States Geological Survey latest earthquake information.
- General
  Calculator's On-Line Center - Part III Science A-Z
  
  Information from Archaeology / Anthropology to Radiation from Martindale's "The Reference Desk."
  
  Dictionary of Scientific Quotations
  
  Quotations and their source from Archimedes to Wooley.
  
  How Stuff Works
  
  This site offers simple, clear explanations of how things work from car engines to VCR's and even bread. You may scroll down the page or click on the Power Panel for a search index.
  
  National Academies Press Free Downloadable PDF Books
  
  More than 4,000 free PDF versions of books published on sciences, engineering and medicine are available.
  
  Old Farmer's Almanac
  
  Weather forecasts, heavenly details, sun, moon and planets, rise and set times.
  
  Public Library of Science Biology Journal
  
  New scientific publication featuring free works of significance in all areas of biological science, from molecules to ecosystems, interfacing with other disciplines such as chemistry, medicine and mathematics. Content will develop as issues are added.
  
  Sams Photofact Online Index
  
  Index to help identify and locate electronic schematics repair documentation by number.
  
  Science Buddies
  
  Science fair project ideas.
  
  Science Fair Project Resource Guide
  
  Provides the necessary requirements and resources to complete a science project. Information supplied by the Internet Public Library.
  
  Science Reference Services
  
  From the Library of Congress, contains “Science Tracer Bullets” with histories and bibliographies, along with Science Reference Guides, and Internet Resources covering many science and technology topics.
  
  Science.gov FirstGov for Science
  
  The gateway to reliable information about science and technology from across Federal government organizations. Agencies covered are the Departments of Agriculture, Commerce, Defense, Education, Energy, Health and Human Services, Interior; Environmental Protection; National Aeronautics and Space, and National Science Foundation.
  
  Statistical Reports of U. S. Science and Engineering
  
  SRS information on 14 periodic surveys.
  
  The Last Word
  
  Everyday science questions and answers.
- Geology & Oceanography
  Global Vulcanism Program - Volcanos of the World
  
  10,000 years of volcanic eruptions. Keyword search, alphabetic and geographic indexes.
  
  Glossary of Oceanography and the Related Geosciences with References
  
  Terms, abbreviations, and acronyms used in oceanography and related fields.
  
  MTU Volcanoes Page
  
  Current global activity.
- Inventors / Inventions
- Life Sciences
  - Biology
    
    Bio Tech
    
    Collection of life sciences resources and reference tools with extensive information on biochemistry and biotechnology. Features a life sciences dictionary, chemical acronyms database and annotated web links to other sites.
    
    BiologyBrowser
    
    Free web site by Biosis offering resources for the life sciences community. Searchable by organism, subject and geographical region.
    
    Encyclopedia of Life
    
    An emerging online reference and research tool that aims to document all the species known to humanity. The resource is being built by interactive contributions taken from Google Search, Wikipedia, and interested people. The site is overseen by experts editing the material.
    
    The History of Life
    
    University of California, Berkeley Museum of Paleontology collection that provides material on phylogeny, geology and evolution, as well as educational materials at the university, K-12, and general interest levels.
  - Botany
    
    CalFlora Database
    
    California flora data.
    
    Garden Web
    
    National Plants Database
    
    United States Department of Agriculture Natural Resources Conservation Service.
  - Zoology
    
    Animal Information
    
    California Department of Fish & Game
    
    Information on habitat conservation, threatened & endangered species, wildlife programs.
    
    Endangered Species Home Page
    
    Information about U. S. threatened and endangered animal and plant species.
    
    The Electronic Zoo
    
    Comprehensive animal information site. Includes zoo information.
    
    The Virtual Frog
    
    Dissect a frog without having to touch one.
- Measurements / Mathematics
  Calculators On-Line Center
  
  Basic Math Calculators, Unit Conversion Calculators, Slide Rule, Arabic / Roman / Mayan, Abacus, Knot Theory, Linear Equations, Logarithms, Math Animations, Trigonometry, and Rational Numbers.
  
  Common Weights And Measures
  
  Includes mathematical notation for orders of magnitude, metric prefixes, and common U.S. and metric equivalents
  
  Conversion Factors
  
  Many methods, comparisons and examples.
  
  Wolfram Mathworld
  
  “The web’s most extensive mathematics resource”. A comprehensive, and interactive mathematics encyclopedia intended for students, educators, math enthusiasts, and researchers.
- Time Zones / Tides / Sunrise / Sunset
  10,000 Year Calendar
  
  View a month or year calendar for any year from 1 to 10000 A.D. All leap years and calendar changes are accounted for.
  
  Official U.S. Time, The
  
  Current time for U.S. time zones, also includes information about timekeeping history under Time Exhibits.
  
  Tide Tables from NOAA
  
  Current and 4-day predictions. Some historic information.
  
  Worldwide Time Zones - Isbister International
  
  Gives the current times for locations world-wide.
- Weather & Meteorology
  L.A. Weather Forecast
  
  Four-day forecasts. Includes forecasts for AZ, NV, UT. Monthly City Almanac.
  
  National Weather Service
  
  National Oceanic and Atmospheric Administation
  
  The Weather Channel
  
  Breaking Weather, Tropical Update, U.S. City Forecasts, International City Forecasts, Maps, and Travel Wise.