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://smartsonline.org/
SMARTS is the Southwest Metro Amateur Radio Transmitting Society, a ham radio club serving members who are licensed or pursuing their FCC Part 97 amateur radio license. The club hosts weekly nets on the WB0RMK repeater, monthly meetings, and community breakfasts, making it a welcoming hub for both new and experienced ham radio operators.
https://thespacewriter.com/wp
The Spacewriter's Ramblings is the astronomy blog of C.C. Petersen, a science writer who covers space exploration, cosmology, black holes, galaxies, and missions like New Horizons with nearly 900 posts of accumulated content. From stargazing tips to in-depth commentary on NASA controversies, this site blends accessible writing with genuine scientific enthusiasm and a contributor role at Universe Today.
https://fediverse.radio/
Fediverse.Radio is a hub curated by Christopher M0YNG that connects amateur radio operators and communities across the decentralized Fediverse social network. It lists Mastodon servers, XMPP chat services, and other tools specifically tailored for ham radio enthusiasts and shortwave listeners worldwide.
https://weca.org/
The Westchester Emergency Communications Association (WECA) has been serving the Hudson Valley region through amateur ham radio since 1972, with a base repeater on 147.06 MHz. The site offers an extensive range of resources including APRS live mapping, ARES/RACES emergency communications info, FCC license exam prep, hamfests, local repeater listings, and SKYWARN weather spotting details.
https://kvarc.org/
The Kaw Valley Amateur Radio Club (KVARC), callsign W0CET, has been serving amateur radio operators in Topeka, Kansas since 1926. The site provides club members and prospective hams with meeting schedules, repeater information, licensing education resources, newsletters, and event calendars.
https://flame.org/~cdoswell/chasesums/chasesums.html
Chuck Doswell's storm chasing page chronicles over three decades of tornado pursuit, beginning with his first chase in April 1972 and including detailed logs, historical accounts, and safety advice drawn from genuine scientific expertise. Packed with chase summaries, photography links, and connections to fellow chasers and meteorologists, this is a deep and personal record from one of the field's most experienced practitioners.
http://cryptocoryne-lagenandra-galerie.de/
A German-language gallery dedicated to Cryptocoryne and Lagenandra aquatic plants, featuring photographs and information about these popular aquarium plant genera and their hybrids. Enthusiasts of tropical water plants will find this a specialized visual reference for identifying and appreciating these fascinating species.
https://hfpropagation.com/
A continually updated reference tool for ham radio operators providing usable HF propagation frequencies and forecasts from major U.S. base cities to regions around the world. Color-coded charts, ionograms, and geomagnetic and solar data make it a practical real-time resource for planning amateur radio contacts.
http://wikisky.org/
WikiSky.org is an interactive online sky map that lets users explore stars, galaxies, nebulae, and constellations through a virtual telescope interface with support for over 15 languages. The platform combines user-contributed content with professional astronomy data, featuring astro photography, science news, blogs, and a community forum for stargazers worldwide.
https://wm7d.net/
Mark Downing (WM7D) runs this ham radio hub featuring a searchable callsign database, real-time solar flux reports, and dedicated resource pages for Yaesu radios including the FT2000, FT920, and FT100. Visitors will also find DX cluster links, QSO maps, TR Log for Linux, and a curated collection of amateur radio links.