Science & Nature
1439 sites
Subcategories:
- Astronomy & Space (396)
- Chemistry (8)
- Earth Sciences (26)
- Biology (79)
- Physics (30)
- Mathematics (59)
- Weather & Climate (104)
- Amateur Radio (682)
- Electronics (47)
https://westernsoundscape.org/
Housed at the University of Utah's J. Willard Marriott Library, the Western Soundscape Archive offers thousands of audio recordings of animal species and ambient environments across eleven western U.S. states and the Arctic National Wildlife Refuge. Visitors can search or browse recordings of over 570 bird species, frogs, toads, reptiles, mammals, and wild landscape soundscapes contributed by volunteers, government agencies, and conservation groups.
https://enchantedlearning.com/subjects/astronomy/glossary/index.shtml
Zoom Astronomy from EnchantedLearning.com is a comprehensive astronomy glossary and educational reference covering terms from A to Z, with illustrated definitions of concepts like aberration of light, aphelion, asteroids, and more. Aimed at K-12 students and teachers, the site includes printables, worksheets, and detailed pages on the solar system, stars, comets, and notable astronomers.
https://qsl.net/we1fly
The Aeronautical Mobile Operators Club, callsign WE1FLY, is dedicated to ham radio operators who take their hobby airborne, earning the nickname 'Flyin' Hams.' The site provides resources on operating amateur radio in aircraft, including links to FAA regulations, QRZ.com profile info, and eQSL lookup for members.
https://thesignman.com/qsl
The SignMan of Baton Rouge offers QSL cards specifically designed for the 10-10 International Net amateur radio organization, with multiple card styles including standard and eyeball business-card sizes. Pricing, ordering information, and design previews are all presented here, alongside links to other SignMan products like name badges, magnetic signs, and Skywarn items.
http://astroa.physics.metu.edu.tr/bigeyes.html
A comprehensive reference table listing the world's largest optical telescopes, compiled by Bill Arnett and hosted at Middle East Technical University's physics department. Each entry includes the telescope's aperture, name, geographic coordinates, altitude, and technical notes, making it a handy quick-reference for astronomy enthusiasts and researchers.
https://astrorx.org/
The Astronomical Society of the Desert (ASOD) is an amateur astronomy club with resources for beginners, star party schedules, observing site information, and membership details. Maintained by Bruce G, this old-web club homepage offers a glimpse into organized community stargazing in a desert region ideal for clear-sky observing.
https://weathertogether.net/weather-links
WeatherTogether is a community weather resource offering an extensive curated directory of weather observation tools, model data, radar, satellite imagery, and oceanographic resources from major institutions like NOAA, NWS, and various universities. The sheer breadth of categorized links covering surface observations, upper air data, aviation weather, and ocean conditions makes it a valuable one-stop reference for weather enthusiasts and professionals alike.
https://ring.fediverse.radio/
Fediverse.Radio WebRing connects 35 amateur radio enthusiast sites whose operators are active on the Fediverse, the decentralized social network. Run by M0YNG, a licensed radio amateur in Gloucestershire, the ring makes it easy to discover blogs, personal pages, and resources from ham radio operators around the world.
http://foxtango.org/foxtango001.htm
Fox Tango International is a long-running Yaesu users group established in 1972, dedicated to owners and enthusiasts of Yaesu radio equipment. The site hosts technical manuals, modification pages, classified ads, and historical looks at vintage Yaesu transceivers from the 1960s through today.
https://asliclub.org/
The Astronomical Society of Long Island (ASLI) is an amateur astronomy club that holds weekly meetings at the Vanderbilt Planetarium in Centerport, NY, with Zoom broadcasts available for remote attendees. Visitors can join observing sessions, get telescope advice, and explore the night sky alongside dedicated hobbyist astronomers without needing to own any equipment.