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://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.
http://metroplex.org/
The Metroplex Amateur Radio Association (ARA) out of Fort Lee, NJ maintains this page listing their repeater frequencies, EchoLink node information, and club officers. A historic photo of core members from 2000 honors the club's founder, Alex Magocsi W2OV, and a membership application form is available for prospective hams.
http://hfpower.com/
ACOM is a manufacturer of HF linear amplifiers and related amateur radio equipment, including the flagship ACOM 2000A automatic amplifier and the ACOM 1000A. The site serves as a product hub for serious ham radio operators seeking high-power amplification solutions built around tubes like the Svetlana 4CX800A.
http://aerith.net/index.html
Seiichi Yoshida's comprehensive comet resource site offers extensive catalogs, weekly bright comet updates, light curves, and thousands of photographs tracking comets from around the world. Yoshida is a notable amateur astronomer who even had a minor planet named after him, and his MISAO project leverages global imagery to detect and track remarkable astronomical objects.
https://afvl.li/
The Amateurfunk Verein Liechtenstein (AFVL) is the official amateur radio club of Liechtenstein, founded in 1986 and serving operators in the HBØ callsign region. The site covers club activities, DMR and FM repeaters, WinLink access, emergency communications, AREDN mesh networking, and upcoming events like POTA outings and monthly meetups.
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://www.qsl.net/ve2ccr
Le Club de Radio Amateur de Charlevoix is a French-language amateur radio club based in the Charlevoix region of Quebec, Canada. The site serves as the online home for the club, welcoming members and visitors interested in ham radio activity in this regional community.
http://ppcook.blogspot.com/
P.P. Cook is a theoretical physics lecturer who writes infrequent but thoughtful posts exploring topics like quantum mechanics, string theory, Dynkin diagrams, and the philosophy of simulation. The blog blends rigorous mathematical content with accessible commentary, touching on books, art inspired by physics, and the day-to-day perspective of an academic on a finite contract.
https://eskimo.com/~oolon/wwdxc
The Western Washington DX Club (W7DX) is a ham radio club based in the Pacific Northwest, offering members access to DX bulletins, contest calendars, propagation forecasts, QSL bureau info, and a newsletter called the Totem Tabloid. The site includes meeting announcements, officer rosters, club bylaws, and links to regional ham radio clubs and resources throughout the 7th call area.
https://bugland.neocities.org/
Bugland is a Neocities site dedicated to insects and bugs, presenting a single striking image that hints at a nature-focused personal project. The minimal content suggests an early-stage site built around an enthusiasm for entomology and the tiny creatures of the natural world.