eResources

Welcome to the e-branch of the Portage District Library! Here you will find electronically accessible books, journals, magazines, newspapers, and directories, the majority of which you can access with your library card from home or anywhere.

Science and Technology Databases:

  • Astronomical Journal

    (AJ) was founded in 1849 by Benjamin A. Gould and was acquired by the AAS in 1941. The AJ publishes original astronomical research, with an emphasis on significant scientific results derived from observations, including descriptions of data capture, surveys, analysis techniques, and astrophysical interpretation. It takes a broad view of astronomy, extending from the solar system to observational cosmology with a tradition of papers discussing dynamical processes. Note: Other journals from the Institute of Physics are not available from this library.

    Availability:

    Only at the library
  • Astrophysical Journal

    The Astrophysical Journal is the foremost research journal in the world devoted to recent developments, discoveries, and theories in astronomy and astrophysics. Many of the classic discoveries of the twentieth century have first been reported in the Journal. Note: Other journals from the Institute of Physics are not available from this library.

    Availability:

    Only at the library
  • Astrophysical Journal Letters

    The Astrophysical Journal Letters is a peer-reviewed express scientific journal that allows astrophysicists to rapidly publish short notices of significant original research. The American Astronomical Society has chosen IOP Publishing to publish The Astrophysical Journal. Note: Other journals from the Institute of Physics are not available from this library.

    Availability:

    Only at the library
  • Astrophysical Journal Supplement

    The Astrophysical Journal Supplement publishes significant papers containing extensive data or calculations, or of very specialized interest. The Supplement contains many of the most frequently cited papers in the astronomical literature. Note: Other journals from the Institute of Physics are not available from this library.

    Availability:

    Only at the library
  • Computer DatabaseMEL Database

    Computer Database has over 2,687,481 articles from journals, trade magazines and popular computing magazines.

    Availability:

    Anywhere with a library card
  • National Aeronautics and Space Administration (NASA)

    NASA conducts its work in four principal organizations, called mission directorates: Aeronautics: manages research focused on meeting global demand for air mobility in ways that are more environmentally friendly and sustainable, while also embracing revolutionary technology from outside aviation. Human Exploration and Operations: focuses on International Space Station operations, development of commercial spaceflight capabilities and human exploration beyond low-Earth orbit. Science: explores the Earth, solar system and universe beyond; charts the best route of discovery; and reaps the benefits of Earth and space exploration for society. Space Technology: rapidly develops, innovates, demonstrates, and infuses revolutionary, high-payoff technologies that enable NASA's future missions while providing economic benefit to the nation.

    Availability:

    Anywhere
  • National Oceanic and Atmospheric Administration (NOAA)

    NOAA is an agency that enriches life through science. Our reach goes from the surface of the sun to the depths of the ocean floor as we work to keep citizens informed of the changing environment around them. From daily weather forecasts, severe storm warnings and climate monitoring to fisheries management, coastal restoration and supporting marine commerce, NOAA’s products and services support economic vitality and affect more than one-third of America’s gross domestic product. NOAA’s dedicated scientists use cutting-edge research and high-tech instrumentation to provide citizens, planners, emergency managers and other decision makers with reliable information they need when they need it.

    Availability:

    Anywhere
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