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://amrad.org/
AMRAD, the Amateur Radio Research and Development Corporation, is a technical ham radio club based in Fairfax, Virginia, focused on cutting-edge projects like weak signal detection, low frequency (LF) experimentation, software-defined radio (SDR), and spread spectrum research. The site serves as a hub for members and enthusiasts alike, featuring project documentation, newsletters, forums, and meeting information for this long-running research-oriented amateur radio organization.
https://www.shreveportastronomy.com/
The official website of the Shreveport-Bossier Astronomical Society, a non-profit astronomy club active in Louisiana since 1959, offering free public observing nights, access to the historic Shreveport Observatory, and resources covering astrophotography, variable star observation, and more. Visitors can find meeting schedules, membership info, observing certificates, and a curated list of astronomy links ranging from NASA to Sky and Telescope Magazine.
http://cordell.org/
Cordell Expeditions is a site dedicated to exploration and expedition activities, likely covering adventures, field research, or scientific trips into the natural world. The name and framing suggest a group or initiative organized around outdoor discovery and expedition-based work.
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.
http://rrac.org/
The Red River Astronomy Club (RRAC) serves amateur astronomers in the Ark-La-Tex region, offering observing sessions at their property near Nashville, AR, star party information, and astro photo galleries. The site includes links to local sky conditions, club news, member resources, and connections to astronomy clubs across Arkansas and Texas.
https://jessystems.com/
Pete Juliano, N6QW, shares decades of hands-on ham radio construction experience through detailed homebrew projects covering QRP and QRO SSB transceivers, linear amplifiers, and PIC microcontroller applications. A licensed ham since 1959 with multiple callsigns, Pete also documents restorations of classic rigs like the Heathkit HW-101 and Collins KWM2, plus publications in QRP Quarterly.
https://wt4ra.org/
The Western Tidewater Radio Association (WTRA) is an ARRL-affiliated amateur radio club serving Isle of Wight, Surry, and Southampton Counties in Virginia. The site lists upcoming events like QSO parties, flea markets, and Field Day, plus club resources including repeater info, ARES emergency communications, membership rosters, and weather service links.
https://www.qsl.net/sra
The Sierra Radio Association's former web presence, now redirecting visitors to their new home at k6sra.org. This amateur radio club page serves as a forwarding notice for members and ham radio enthusiasts looking to connect with the organization.
https://clarc.org/
The Clear Lake Amateur Radio Club (CLARC), operating under callsign K5HOU, has served the Clear Lake, Texas area since 1987 as an ARRL Special Service Club. Visitors can find information about weekly nets on the club's repeaters, licensing exams, Hamster Classes, and community communications support for public events.
https://wxlog.com/
Stephen's Storm Log is a personal storm chasing diary cataloging hundreds of tornado, supercell, and severe weather chase events dating back to 1997, organized by SPC risk level and year. With decades of documented chases across the American South and Plains, this is a remarkable long-running record of one chaser's adventures tracking some of the most intense storms on record.