Science & Nature
1413 sites
Subcategories:
- Astronomy & Space (390)
- Chemistry (7)
- Earth Sciences (24)
- Biology (76)
- Physics (29)
- Mathematics (51)
- Weather & Climate (100)
- Amateur Radio (681)
- Electronics (45)
https://sephonicus.neocities.org/
Sephonicus has built a personal homepage dominated by science-themed imagery, with repeated 'SCIENCE!!!' alt texts suggesting an enthusiastic celebration of scientific topics. The site is sparse in text but leans heavily into a science identity through its visuals and branding.
http://gordonwestradioschool.com/
Gordon West Radio School, run by the well-known 'Gordo' (WB6NOA), offers ham radio licensing classes, study materials, books, tapes, and CDs for aspiring amateur and commercial radio operators across the US. The site covers FCC license preparation, ship and coast station licensing, weekend classes taught by Gordo-approved instructors, and training resources available through Ham Radio Outlet.
https://www.stormchase.us/
Matt Ver Steeg of WeatherEdge, Inc. documents his storm chasing adventures across Iowa and tornado alley, offering a photo gallery, tornado pictures, weather research, and live weather data tools. Packed with radar links, satellite imagery, severe weather outlooks, and personal field reports, this site is a solid resource for both hobbyist storm chasers and weather enthusiasts.
https://wildflowers-and-weeds.com/
Thomas J. Elpel's plant identification hub teaches visitors to recognize wildflowers, weeds, and edible plants by learning the patterns of plant families rather than memorizing individual species. The site complements his book 'Botany in a Day' and includes slideshows, weed ecology, foraging guides, mushroom information, and online classes.
https://wb4aej.com/hamdomain
WB4AEJ's Ham Domain is a comprehensive amateur radio resource built around a massive directory of ham radio operator websites, organized by callsign. Beyond the directory, the site covers special events stations, callsign lookups, fox tone sequences, and links to major organizations like ARRL, AMSAT, and TAPR.
https://oevsv.at/home
The ÖVSV (Österreichischer Versuchssenderverband) is the official national amateur radio organization of Austria, covering all nine regional associations and offering resources on licensing, operating modes, contests, and technical information. Visitors can find band plans, contest calendars, QSL card services, satellite radio info, and news about events like HAM RADIO Friedrichshafen and the organization's 100-year anniversary.
https://www.qsl.net/w5wx
A QSL.net-hosted personal page for amateur radio operator W5WX, accessible via the QSL.net directory structure. The site appears to be a file index for a ham radio enthusiast's web presence on one of the most popular amateur radio hosting services.
https://home.adelphi.edu/~stemkoski/mathematrix/index.html
Mathematrix, created by Lee Stemkoski at Adelphi University, explores the playful and lesser-known side of mathematics through topics like polyominoes, Rubik's Cube, fractals, Conway's Game of Life, and higher dimensions. Accessible to curious minds at any level, the site blends mathematical art, humor, poetry, and hands-on puzzles to make recreational math genuinely entertaining.
http://tropic.ssec.wisc.edu/
Run by the Cooperative Institute for Meteorological Satellite Studies at the University of Wisconsin-Madison, this site provides real-time satellite-based analysis tools and data products for tracking and studying tropical cyclones worldwide. Researchers and weather enthusiasts alike will find an impressive suite of tools including intensity estimation algorithms, microwave imagery composites, and a full archive covering Atlantic, Pacific, Indian Ocean, and South Pacific storm basins.
http://ned.ipac.caltech.edu/help/cosmology_calc.html
Hosted by NASA's Extragalactic Database (NED) at Caltech, this curated page collects links to online cosmology calculators contributed by researchers at UCLA, University of Colorado, and other institutions. Visitors can compute distances, lookback times, Hubble parameters, K-corrections, and other key cosmological quantities by entering values like redshift, Hubble constant, and Omega parameters.