Science & Nature
1417 sites
Subcategories:
- Astronomy & Space (392)
- Chemistry (7)
- Earth Sciences (24)
- Biology (77)
- Physics (29)
- Mathematics (51)
- Weather & Climate (101)
- Amateur Radio (681)
- Electronics (45)
http://qth.com/w0aih
The W0AIH Contest Station site documents an impressive amateur radio operation spread across 120 acres of Wisconsin farmland, featuring over 50 towers and six HF operating positions. Built as a tribute to Paul Bittner W0AIH (1933-2018), the site covers the station's hardware, operators, antennas, and the storied history of 'The Farm' that became a landmark visible from Interstate 94.
https://rokonshimo.neocities.org/
Tangle's personal corner of the web belongs to an autistic Australian graduate student of Space Science with wide-ranging interests and ambitious creative projects. The site features a blog, character bios, and various personal sections, all wrapped in a warm and quirky introduction that hints at much more content to come.
https://darc.de/home
DARC (Deutscher Amateur-Radio-Club e.V.) is the official national organization for amateur radio operators in Germany, offering member services, licensing information, contest coordination, and club resources. With sections covering HF, VHF/UHF/SHF, emergency communications, DX, and youth training, it serves as a comprehensive hub for the German ham radio community.
http://www.hawastsoc.org/
The Hawaiian Astronomical Society, founded in 1949, is a nonprofit dedicated to promoting amateur astronomy across Hawaii through monthly public star parties, school outreach, and members-only dark sky observing sessions. The site features a deep sky atlas, an astronomy newsletter, event schedules, and live solar imagery from SDO, making it a rich hub for stargazers in the islands.
https://unifiedmicro.com/
Unified Microsystems is a small company specializing in amateur radio hardware and electronic development products, including CW keyers, receive antenna systems, sound card interfaces, and Arduino shields. Their product catalog serves ham radio operators and electronics hobbyists with unique kits and modules available through authorized dealers like DX Engineering and Ham Radio Outlet.
http://damtp.cam.ac.uk/user/tong/teaching.html
David Tong, a professor at Cambridge University, offers a comprehensive collection of free lecture notes covering nearly every area of theoretical physics, from classical mechanics and electromagnetism to quantum field theory and string theory. The notes are aimed at undergraduates and graduate students and represent a genuinely deep academic resource, with dozens of individual courses each spanning multiple topics.
http://brastro.org/
The Baton Rouge Astronomical Society (BRAS) is a Louisiana-based astronomy club founded in 1981, bringing together roughly 95 amateur and experienced stargazers in the greater Baton Rouge area. Visitors can browse monthly observing guides, member astrophotos, a newsletter archive, dark sky advocacy efforts, and information on joining or attending events at the Highland Road Park Observatory.
http://nu5de.org/
The Naturist Amateur Radio Club (NU5DE) is a unique ham radio club that operates from Star Ranch Nudist Resort in McDade, Texas, combining nude recreation with amateur radio operations. The site showcases their custom QSL cards, including their award-winning 'barefoot' design, and documents their on-air activities during Nude Recreation Week from 2001 onward.
https://mistal2.tripod.com/CAS
The Cumberland Astronomical Society is an amateur astronomy club based in Gallatin, Tennessee, dedicated to bringing astronomy to the general public. The club hosts monthly events at local schools, libraries, and parks, though this Tripod page now redirects visitors to their updated website at CumberlandAstronomicalSociety.org.
https://k-state.edu/w0qqq?utm_source=ksuarc&utm_medium=redirect&utm_campaign=pulled-down
The Kansas State University Amateur Radio Club (WØQQQ) has served K-State and the Manhattan, Kansas community for over a century, offering licensing workshops, emergency weather services, and participation in major ARRL contests. Membership is open to students, faculty, staff, and the general public, with no prior license required, making it a welcoming entry point for new ham radio operators.