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://n0ofq.tripod.com/
N0OFQ is a ham radio operator based in Yutan, Nebraska who runs a 145.37 MHz repeater linked to stations across the region. The page features an interactive world time map, repeater frequency details, over 4000 ham radio links, and participation in the Amateur Radio Webring.
https://oiseaux.net/index.en.html
Oiseaux.net is a comprehensive ornithological portal covering more than 10,000 bird species worldwide, complete with species sheets, photos, drawings, birdsongs, and thematic files for all skill levels. The site also features identification tools powered by artificial intelligence, birdsong quizzes, games, a forum, and curated news from the ornithological world.
http://aberdeenastro.org.uk/
The Aberdeen Astronomical Society (AAS) is a Scottish astronomy club based in Aberdeenshire, hosting regular meetings, dark sky observing sessions, and public talks both in person and via Zoom. The site features aurora photography by members, an interactive star chart for Aberdeen, upcoming event listings, and a night sky section covering visible astronomical events from the local area.
https://eskimo.com/~oolon/paladin/index.html
The Paladin Contest Club is a casual amateur radio group centered around sharing a special club callsign for contests and mini-DXpeditions, with no formal score competition against other clubs. The site offers access to club bylaws, a member roster, contest scores, and logs, all coordinated by Jack Fleming (WA0RJY).
https://qsl.net/kc4gzx/kc4gzx/project.htm
KC4GZX is a sprawling amateur radio and electronics resource by a Georgia ham operator, featuring over 2100 DIY homebrew projects spanning antennas, amplifiers, transmitters, microcontrollers, lasers, and more. It also includes a Northeast Georgia ham directory, repeater listings across multiple southeastern states, and a hamfest schedule, making it an invaluable hub for regional and hobbyist radio enthusiasts.
http://stormeffects.com/
Brian Morganti's StormEffects is a personal archive of storm chasing photography, nature landscapes, and severe weather experiences captured over many years. Visitors can browse storm photos, chase videos, chase summaries, and even astrophotography, making it a rich showcase of one enthusiast's passion for extreme weather.
https://theworld.com/~jgarrett
John Garrett's quirky early-web homepage introduces himself with offbeat humor and references his work as a sound man, along with a link to listening to 'voices from outer space.' The site has a charmingly chaotic old-web personality with scattered sections labeled 'Things N Stuff' and 'Point and Click,' making it a fun time capsule of early internet personal pages.
https://w4zt.com/
Tony King's W4ZT memorial site covers his extensive amateur radio activities, including repeaters, antenna construction, power supply modifications, and DXpeditions. Now preserved as a tribute after Tony's passing in 2009, the site offers a wealth of technical resources and personal projects from a dedicated ARRL life member based in the Atlanta area.
https://hfpropagation.com/
A continually updated reference tool for ham radio operators providing usable HF propagation frequencies and forecasts from major U.S. base cities to regions around the world. Color-coded charts, ionograms, and geomagnetic and solar data make it a practical real-time resource for planning amateur radio contacts.
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.