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://ccarc.org.au/
The Central Coast Amateur Radio Club (CCARC) is a community of amateur radio operators and electronics enthusiasts based in Kariong, New South Wales, Australia. The site offers information on repeaters, education for aspiring licensed operators, club news, event calendars, and emergency communications support resources.
http://scarc.com/
SCARC appears to be the website for an amateur radio club, offering resources and information for ham radio enthusiasts in its region. Club-based amateur radio sites like this typically feature member info, repeater details, licensing resources, and local on-air event announcements.
https://qsl.net/wwvarc
The White Water Valley Amateur Radio Club of Richmond, Indiana operates under club callsign N9JM and maintains this site as an informational hub for local ham radio enthusiasts. Visitors can find repeater frequencies, net schedules, club newsletters, officer contacts, and photos from special events like the McMaze Daze station operation.
https://astrorx.org/
The Astronomical Society of the Desert (ASOD) is an amateur astronomy club with resources for beginners, star party schedules, observing site information, and membership details. Maintained by Bruce G, this old-web club homepage offers a glimpse into organized community stargazing in a desert region ideal for clear-sky observing.
http://geom.uiuc.edu/
The Geometry Center was a University of Minnesota research and education hub dedicated to mathematics, geometry, and visualization tools, now archived after its closure. Visitors can explore interactive Java applications, 3D geometry software like Geomview and JGV, multimedia math documents, downloadable software, and video productions covering topics from solar system models to symmetry exploration.
http://cycloneroad.com/
Cyclone Road is the personal homepage of storm chaser Amos Magliocco, featuring chase reports, photos, a chase blog, and gear recommendations. The site includes a tribute to Eric Nguyen and links to essential storm chasing reading on safety, ethics, and tornado pursuit.
https://astronomynotes.com/
Nick Strobel's Astronomy Notes is a comprehensive, free educational resource covering introductory astronomy topics from the scientific method and history of astronomy to planetary science, relativity, and telescopes. Originally created for college-level astronomy courses, the site has been widely copied across the web and is also available as a purchasable hardcopy book through Kendall Hunt.
https://spacew.com/
Solar Terrestrial Dispatch is a 36-year-old space weather service offering near real-time auroral activity mosaics, solar wind data, X-ray flux readings, and experimental flare prediction heatmaps updated every two minutes. Visitors can track geomagnetic conditions, monitor the electrical power grid demand, and view stunning satellite imagery of aurora activity over both hemispheres.
https://www.qsl.net/w4amc
The Brightleaf Amateur Radio Club (BARC) of Greenville, NC maintains this hub for club members and ham radio enthusiasts, featuring meeting info, membership rosters, newsletters, and emergency preparedness resources. With callsigns W4AMC, W1VOA, and W4UHS, the club covers everything from Skywarn weather spotting to DX activity links and real-time solar data.
http://n3sh.org/
The Wireless Association of South Hills (WASH) is an amateur radio club based in the South Hills area, offering a rich calendar of activities including Field Day, PA QSO Party, VHF/UHF repeater nets, ARRL licensing exams, and ARES/RACES emergency communications support. The site serves as a hub for both seasoned hams and newcomers curious about getting licensed, with how-to guides, a club newsletter called the WASHRag, and information on public service events like Skywarn spotting.