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://msuarc.egr.msu.edu/
The MSU Amateur Radio Club (W8SH) has been connecting students to ham radio at Michigan State University since 1919, with roots tracing back to the founding of what would become WKAR public radio. The site offers club membership info, repeater details, and original tools like POTAVis and FoxHuntr built by club members to help hams visualize POTA activations and practice radio direction finding.
http://scarcnj.org/
The Sussex County Amateur Radio Club (SCARC) is a New Jersey-based ham radio club operating under call sign W2LV, dedicated to education, public service, and advancing the amateur radio hobby. The site features meeting schedules, repeater listings, net information, contest announcements, and details about their annual Hamfest at the Sussex County Fairgrounds, which doubles as the 2025 ARRL Hudson Division Convention.
https://fourmilab.ch/
Fourmilab is John Walker's legendary personal science and technology site, home to a vast collection of interactive tools, essays, and experiments spanning astronomy, physics, computing, and more. Notable features include real-time Earth and Moon viewers, historical documents, and decades of original technical writing that have made it a classic destination on the web.
https://w9fz.com/
Bruce Richardson's personal hub site collects his various web projects, with ham radio travelogues and VHF Society conference coverage sitting alongside sections on Boy Scout councils, military air base history, and surplus electronics for sale. The callsign W9FZ anchors the site and the ham radio content is the most distinctive thread running through his online presence.
https://mikedaub.com/
Mike Daub is a physics and mathematics educator with a master's from UC Berkeley who spent five seasons at the South Pole researching experimental cosmology on the ACBAR project. His personal site covers his academic background, libertarian politics, photography, and a no-nonsense hand-coded HTML philosophy with no frameworks or tracking.
https://fy5ke.org/
FY5KE is the official site of the Radio Amateur Club de Kourou in French Guiana, a club known for participating in major international contesting events like CQ WW SSB and ARRL DX SSB dating back to 2000. Visitors can explore the club's station details, QSL information, 50 MHz beacon, and an extensive archive of contest results spanning nearly two decades.
http://aamerican.com/aclr
The Amateur Cross Link Repeater Club (ACLR) was a Chicago-area ham radio repeater club operating on 147.225MHz that disbanded in 1998 after internal disputes and equipment failures. The site serves as a historical archive of the club's activities, meetings, and Dayton hamfest adventures, maintained by trustees Gregory K9OY and Ann K9OYN.
http://deepskystacker.free.fr/english/index.html
DeepSkyStacker is a free software tool designed for astrophotographers who want to stack and process deep-sky images to reveal faint celestial objects. The site offers downloads, screenshots, a user manual, FAQ, technical details, and tutorials for getting the most out of the application.
https://up-ship.com/Book/spaceshipdesign.htm
A work-in-progress book project aimed at giving science fiction authors and scriptwriters the real engineering and physics knowledge needed to design plausible spacecraft. The site outlines chapter topics ranging from propulsion systems and structures to weapons and re-entry, covering everything from chemical rockets to theoretical Alcubierre warp drives.
http://sss-mag.com/eme.html
Part of the Spread Spectrum Scene (SSS Online) website, this page is a curated link directory focused on Earth-Moon-Earth (EME) moonbounce communications for ham radio operators. Visitors will find links to operator pages, equipment guides, activity loggers, and resources covering weak signal propagation, SETI, DSP, and related amateur radio topics.