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)
http://wxqa.com/
The Citizen Weather Observer Program (CWOP) is a public-private partnership that collects weather data from over 7,000 citizen-operated stations across North America, feeding real-time observations to NOAA and dozens of government agencies. Visitors can join the network, check data quality, view maps and displays, and access resources for setting up their own personal weather stations.
http://wiki.solarsails.info/index.php/Main_Page
SolarSailWiki is a community-edited wiki dedicated entirely to solar sail spacecraft, covering the science of light pressure, mission histories, technologies, and future applications for propellantless space travel. With sections on design, real-world missions like the Planetary Society's LightSail, books, papers, and conferences, it serves as a comprehensive reference for anyone fascinated by this elegant form of space propulsion.
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://physicspages.com/
PhysicsPages is a detailed self-study companion covering classical mechanics, quantum mechanics, electrodynamics, relativity, string theory, and more, written with honest, jargon-free explanations that avoid the dreaded 'obviously' of typical textbooks. The creator presents rigorous, math-heavy notes designed for university students or independent learners working through structured physics topics.
https://astroring.auroradynia.com/
The Astronomy Webring, hosted by auroradynia, connects enthusiasts of astronomy, astrophotography, and astrophysics across the old web. Visitors can join the ring, browse the member list, or simply hop between sites dedicated to all things space.
https://mreclipse.com/
Fred Espenak, known as MrEclipse, is a renowned NASA astrophysicist who has dedicated this site to comprehensive solar and lunar eclipse resources, including photography guides, safety tips, and extensive photo galleries spanning from 1970 to the present. Visitors will find detailed previews of upcoming eclipses through 2040, firsthand accounts of totality, and stunning images captured across decades of eclipse-chasing expeditions.
https://qsl.net/qarg
The Quincy Area Repeater Group (QARG) was a club of licensed amateur radio operators in West Central Illinois who established and maintained the 147.195MHz 2M repeater serving the Quincy, Illinois and North Eastern Missouri area. The site serves as a historical record of the group's 18-year operation before transferring control to the Western Illinois Amateur Radio Club, including a full list of charter members and their callsigns.
http://windpowerhandbook.com/
The Wind Power Handbook, created by Timlynn Babitsky, is a resource for community organizers and activists navigating wind energy projects, covering everything from NIMBY debates and turbine noise myths to the economic benefits for farmers and local communities. With organized sections on strategies, case studies, innovations, and policy issues, it serves as a practical guide for anyone trying to advance or understand wind power development.
https://aarc.tripod.com/
The Alger Amateur Radio Club is a Michigan-based ham radio organization serving Alger County, with ties to the ARRL and a focus on emergency communications. The site is a simple club homepage from 2002, offering a contact point for local ham radio enthusiasts interested in radio emergency services.
https://www.qsl.net/la5ki/index.htm
LA5KI Vintage Ham Radio is a Norwegian amateur radio operator's site dedicated to vintage ham radio equipment and history. The page features a classic old-web aesthetic and serves as a gateway to content about antique radio gear and the amateur radio hobby.