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://qsl.net/wo8hio
The Maumee Valley Contest Club is an amateur radio organization based in the Maumee Valley region, focused on competitive ham radio contesting and DX activities. The site serves as a hub for members and visitors, offering links to major contesting resources, propagation tools, contest calendars, and DX bulletins.
https://sagan.diletante.net/
A fanlisting dedicated to the beloved astronomer and science communicator Carl Sagan, gathering fans from around the world who admire his work and legacy. Built and maintained by a fan known as C.:., the site includes information about Sagan, membership listings, and links to related resources.
https://www.qsl.net/wb4hfn
WB4HFN is an amateur radio resource site covering antenna construction, digital communications, equipment modifications, and vintage R.L. Drake radio gear from the 1960s and 70s. The site also features a UHF repeater system on 443.200 MHz serving northern Massachusetts and southern New Hampshire, along with local weather data and ham radio club links.
http://qslnet.de/member1/dl0cpm
DL0CPM is the club station of the Christliche Pfadfinder Mettmann (Christian Scouts) in Germany, operated by licensed amateur Veit Pelinski (DL7ET). The site covers their participation in the annual JOTA (Jamboree on the Air) event and their active involvement in ARDF (Amateur Radio Direction Finding), also known as fox hunting.
https://cryothene.neocities.org/
Cryothene is a technically-minded personal blog covering electronics projects, embedded systems, reverse engineering, and 3D printing, with standout documentation of a custom display driver project called Sharpie spanning many installments. The site also mixes in anime opinions, game reviews, and occasional recipes, but the dominant draw is its detailed hardware and microcontroller writeups.
https://scopereviews.com/
Ed Ting's telescope review site has been gathering light since 1997, offering one of the most comprehensive collections of telescope reviews on the internet with over 100 scopes evaluated, eyepiece reviews, beginner buying guides, and a telescope rankings matrix. Video reviews, Q&A columns, and feature articles make this a go-to resource for anyone from first-time buyers to seasoned amateur astronomers.
https://mainearrl.org/
The official Maine Section page for the American Radio Relay League covers everything local hams need, including district info, repeater listings, emergency communications nets, and an upcoming hamfest convention in Augusta. Resources for mentors (Elmers), club listings, EMCOMM testing, and multiple nets like the Maine Seagull Net and Maine Public Service Net make this a practical hub for amateur radio operators across the state.
http://ccas.us/
The Chester County Astronomical Society (CCAS) is a Pennsylvania-based non-profit bringing together amateur astronomers through monthly meetings, observing sessions, and public star parties for schools and civic groups. The site features an events calendar, member photography, planetarium show schedules at West Chester University, and resources for anyone interested in exploring the night sky.
http://ben.davies.net/telescope.htm
Ben Davies documents the design and construction of a 12.5-inch Newtonian telescope, covering everything from the equatorial horseshoe mount and mirror flotation cell to motorized collimation and CCD imaging. The site also includes observational work on variable stars, nebulae, galaxies, and spectroscopy, making it a rich resource for serious amateur telescope makers.
https://skip.cc/chase
Skip Talbot has documented over 458 storm chases since 2003, logging 288,186 miles and 156 tornado intercepts across more than two decades of pursuit. The site features yearly chase logs, a gallery, time-lapse videos, and detailed statistics that make it a fascinating firsthand record of storm chasing as a serious hobby.