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://hexkit.com/
Ron Mott (W4RDM) runs HexKit.com, a small operation fabricating baseplate kits, hubs, and components for homebrew Hex Wire Beam, Moxon, and Spiderbeam amateur radio antennas. Over 1,700 homebrew hex beam builds have used HexKit baseplates worldwide, making this a well-regarded niche resource for DIY antenna builders.
http://amesastronomers.org/
The Ames Area Amateur Astronomers (AAAA) is a non-profit 501(c)3 club based in Ames, Iowa, dedicated to sharing the wonders of the night sky through outreach events, club meetings, and the annual Iowa Star Party. Members gain access to a newsletter, astronomy updates, and the club's observatory at McFarland Park, making it a great hub for both beginners and seasoned stargazers in central Iowa.
http://n5hq.com/
N5HQ is the personal ham radio site of an Extra Class operator licensed since 1978, covering SSTV, DSSTV, QSL cards, antenna design tools, and amateur radio licensing resources. The site also highlights the operator's involvement as an ARRL Volunteer Examiner, Skywarn weather spotter, and Ten-Ten International member.
http://astronomyboy.com/
Jeff DeTray's AstronomyBoy.com is a rich resource for amateur astronomers covering everything from beginner telescope guides to DIY barn door trackers, homemade eyepieces, and mount repair tutorials. The site features constellation portraits, a deep sky observing list, eclipse photography tips, and detailed walkthroughs of equatorial mount mechanics, all drawn from Jeff's personal experience at his Black Swamp Observatory.
https://pages.astro.umd.edu/~mcmiller/nstar.html
Professor M. Coleman Miller of the University of Maryland shares an in-depth educational resource on neutron stars, covering topics from formation and internal structure to pulsars, X-ray bursters, and gamma-ray bursts. The page blends academic rigor with accessible writing, including links to pedagogical reviews, Q&A sections, and visual aids that make complex astrophysics approachable.
https://rarclub.net/
The Richmond Amateur Radio Club (RARC) is a Virginia-based ham radio organization with sections covering licensing resources, club repeaters, nets, and public service events. Notable activities include Field Day operations, satellite workshops, balloon chase teams, and volunteer coordination for local community events like the Monument Avenue 10k.
https://kernastro.org/
The Kern County Astronomical Society (KCAS) is a Bakersfield, California astronomy club founded in 1956 with a mission to foster interest in astronomy among members and the general public. The site offers information on star parties, meetings, membership, and a photo gallery featuring events like the Dark Skies Festival and visits to Mount Wilson Observatory.
https://w0ne.org/
The Winona Amateur Radio Club (WARC) is an ARRL-affiliated club based in Winona, Minnesota, founded in 1945 and serving local ham radio enthusiasts with repeaters, nets, and emergency preparedness resources. Visitors will find club news, event calendars, QSL card verification tools, a remote station, SKYWARN information, and membership details.
http://okie-tex.com/index.php
The Okie-Tex Star Party is an annual astronomy event held at Camp Billy Joe in the Black Mesa area of Oklahoma, offering some of the darkest skies in the Southwest for stargazers. The site covers everything attendees need, including registration, event schedules, observing lists, meal menus, accommodation info, and a photo gallery from past gatherings.
https://mikedaub.com/
Mike Daub is a physics and mathematics educator with a master's from UC Berkeley who spent five seasons at the South Pole researching experimental cosmology on the ACBAR project. His personal site covers his academic background, libertarian politics, photography, and a no-nonsense hand-coded HTML philosophy with no frameworks or tracking.