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)
http://www.seasky.org/
Sea and Sky is a dual-themed educational resource covering both ocean life and the universe, with sections on coral reef creatures, deep sea exploration, saltwater aquariums, constellations, and space exploration timelines. Visitors can browse image galleries, play free sea-themed games, read news headlines, and dive into hundreds of curated links covering marine biology and astronomy alike.
https://westislandweather.com/
West Island Weather Station has been monitoring coastal conditions near the Cape Cod Canal in Buzzards Bay, Fairhaven, Massachusetts since 1992, offering live bay cams, tide information, and detailed monthly weather logs. The site also chronicles notable regional weather events including Hurricane Bob 1991, the Blizzard of '78, and the Buzzards Bay Oil Spill of 2003, alongside an archive of over 10,000 photos.
http://ka6wke.blogspot.com/
Mark Schoonover (KA6WKE) shares his amateur radio experiences, including homebrew antenna tuner builds, HF mobile setups, and equipment reviews for his IC-7000 and IC-706MKIIg rigs. The site features hands-on technical posts about Z-match tuners, horizontal loops, and ladder line feeding, making it a useful read for hams interested in practical antenna projects.
http://jgiesen.de/welcomeEnglish.htm
A rich hobbyist resource by J. Giesen featuring an extensive collection of Java and JavaScript applets covering astronomy topics like sun and moon phases, planet positions, sundials, Venus transits, and satellite observation. Visitors will also find physics quizzes, chaos and fractal simulations, color theory tools, and links to books and software, making it a deep interactive playground for science enthusiasts.
https://thin-man.com/fog
Cloaked in Mystery is a fanlisting dedicated to fog, celebrating fans of this atmospheric weather phenomenon from 16 countries around the world. Listed with The Fanlistings Network, visitors can join, browse member codes, and declare their appreciation for one of nature's most mysterious natural occurrences.
https://vvara.org/
The Verde Valley Amateur Radio Association (VVARA) serves ham radio enthusiasts in North-Central Arizona, hosting regular club meetings, training presentations, and multiple weekly nets including trivia and rag chew sessions. The site also features a live weather station and camera feed from Mingus Mountain, making it a useful local hub for both radio operators and weather watchers.
https://qrz.com/cgi-bin/webcall
QRZ.com is the premier ham radio callsign lookup database, allowing operators to search for licensed amateur radio users by callsign, name, address, grid square, or county. Beyond the core database, the site offers logbooks, DX spotting, forums, exam practice, license renewals, and a bustling swap meet for ham radio gear.
http://icstars.com/HTML/SolarSection/HAlpha/OBSERVINGTHESUNHAlpha1.html
David Knisely's comprehensive H-Alpha handbook covers solar observation in remarkable technical depth, with dedicated sections on prominences, sunspot group classification, solar flares, and a full glossary of H-Alpha terminology. Part of the larger ICSTARS Astronomy site, this resource is a serious reference for amateur astronomers interested in observing the sun through hydrogen-alpha solar filters.
https://ng3k.com/
Bill Feidt (NG3K) has built a comprehensive amateur radio resource focused on DX operations and contesting, featuring the Announced DX Operations (ADXO) database, DXCC entity tables, packet cluster resources, and propagation forecasts. With archives stretching back to the mid-1990s and regularly updated links to DX tools, contest calendars, and reverse beacon networks, this site is a go-to reference for serious DX and contest operators.
https://isws.illinois.edu/statecli/cuweather
Maintained by the Illinois State Water Survey and State Climatologist Dr. Jim Angel, this site provides detailed climate data for Champaign-Urbana going back to 1996, including daily and monthly temperature, precipitation, snowfall, and degree day records. It's a rich archival resource for anyone researching Illinois weather history, with links to real-time conditions, airport hourly data, and regional precipitation networks.