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://naa.net/
The Nürnberger Astronomische Arbeitsgemeinschaft (NAA) is a German astronomy club based in Nuremberg that operates the Regiomontanus Observatory, offering public sky tours twice a week and maintaining a library of over 1600 books. The site covers club activities, upcoming events, an astronomical image gallery, and the club's own journal 'Regiomontanusbote', making it a rich hub for amateur astronomy in the Nuremberg region.
https://do1mj.de/
Marc, callsign DO1MJ, documents his amateur radio journey after earning his license in January 2022, with a strong focus on SOTA (Summits on the Air) activations across Germany, Slovenia, and beyond. Posts cover field equipment, Yaesu radio tips, mountain hikes combined with radio activations, and practical techniques for lightweight portable operating.
https://mnyarc.org/
MNYARC, the Minnesota Youth Amateur Radio Council, is a non-profit 501(c)3 organization dedicated to sponsoring and supporting youth-oriented amateur radio clubs and activities. The site covers events like JOTA, Skywarn Recognition Day, Girl Scout Jamboree participation, online VE licensing exams, and ham radio science projects for young operators.
https://www.qsl.net/g3ral
A QSL.net hosted page for the callsign G3RAL, pointing to an amateur radio operator's personal directory on the network. The sparse file index suggests a personal ham radio page typical of the QSL.net hosting platform, where licensed operators share station info and radio-related content.
https://mainearrl.org/
The official Maine Section page for the American Radio Relay League covers everything local hams need, including district info, repeater listings, emergency communications nets, and an upcoming hamfest convention in Augusta. Resources for mentors (Elmers), club listings, EMCOMM testing, and multiple nets like the Maine Seagull Net and Maine Public Service Net make this a practical hub for amateur radio operators across the state.
https://wsjt.sourceforge.io/wsjtx.html
WSJT-X is the official home page for a suite of weak-signal communication software developed by Joe Taylor (K1JT) and the WSJT Development Team, supporting digital modes like FT8, FT4, JT65, WSPR, and more. The site provides user guides in multiple languages, release notes, and technical documentation for operators pursuing EME moonbounce, meteor scatter, and other extreme weak-signal amateur radio contacts.
http://lightningwizard.com/maps/usa.html
Lightning Wizard provides detailed convective weather forecast maps for North America, Europe, and the Caribbean, pulling data from the National Centers for Environmental Prediction and the National Weather Service. The site covers advanced meteorological parameters like CAPE, bulk shear, and MSL pressure across multiple forecast time intervals, making it a valuable tool for storm chasers and weather enthusiasts.
https://golem.ph.utexas.edu/string/index.shtml
The String Coffee Table is a collaborative group blog hosted at the University of Texas at Austin, bringing together physicists to discuss string theory, loop quantum gravity, conformal field theory, and related advanced topics. Posts make heavy use of MathML for rendering equations, and contributors include researchers like Urs Schreiber and Lubos Motl, making it a rich academic resource for cutting-edge theoretical physics.
http://skccgroup.com/
The Straight Key Century Club (SKCC) is a worldwide organization dedicated to CW (Morse code) enthusiasts who use traditional straight keys, bugs, and side-swiper keys on the air. With nearly 31,000 members and a rich program of sprints, awards, sked pages, and beginner resources, it is one of the largest and most active amateur radio clubs focused on traditional hand-keying.
https://john.pane.net/
John Pane is a Ph.D. computer scientist and senior researcher at RAND Corporation whose homepage highlights his work in education technology and personalized learning. A standout feature is his astrophotography gallery, showcasing personal photos of stars, nebulae, comets, and a solar eclipse, which gives the site a compelling scientific hobby dimension.