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://uvminerals.org/minerals/gallery
The Fluorescent Mineral Society hosts a stunning photo gallery showcasing minerals from around the world photographed under shortwave, midwave, and longwave ultraviolet light, revealing their glowing colors. Specimens from famous localities like the Franklin and Sterling Hill mines in New Jersey, Tsumeb in Namibia, and sites across China, Australia, and Brazil are featured with photographer credits and mineral identification.
http://setileague.org/
The SETI League is a nonprofit membership organization dedicated to the privatized electromagnetic search for extraterrestrial intelligence, coordinating amateur radio astronomers worldwide in the hunt for signals from other civilizations. The site offers extensive technical resources covering antennas, receivers, and software, alongside publications, press releases, and the popular "Ask Dr. SETI" column.
https://masatern.tripod.com/
KB1GLF's unofficial web presence for the Massachusetts chapter of the Salvation Army Team Emergency Radio Network (SATERN), a group of licensed amateur radio operators who provide emergency communications support during disasters. The site includes member lists, training resources, a calendar, event photos, and information about the weekly Friday night net on 145.23 MHz.
https://womanastronomer.com/
The Woman Astronomer is a dedicated resource celebrating women in astronomy, featuring interviews with professionals like planet-hunter Dr. Debra Fischer, historical profiles of pioneering figures like Antonia Maury, and student essays submitted through its Cosmic Campus section. Visitors can also find job listings for astronomers, a free ezine, and links to related resources, making it a rich hub for anyone interested in women's contributions to the field.
https://whiskeytangohotel.com/
WhiskeyTangoHotel.Com is a hobbyist electronics and amateur radio blog featuring hands-on projects like ESP32 microcontroller builds, temperature logging with Node-RED, and Morse code analysis tools. The site blends practical hardware tutorials with radio operator interests, making it a great find for tinkerers who enjoy cheap microcontrollers and DIY data visualization.
http://nmia.com/~roberts/robert.html
Robert Smathers maintains this personal hub dedicated to TVRO (Television Receive Only) satellite reception, featuring links, schedules, mail lists, newsgroups, and dealer resources for satellite hobbyists. The site also touches on visual satellite observing and space topics, making it a useful reference point for backyard dish enthusiasts.
https://qsl.net/n1otx
Paul's N1OTX homepage is a weather-obsessed amateur radio operator's corner of the web, featuring a real-time home weather station for Brockton, MA, Java-based weather casts, and wind chill calculators comparing old and new NWS formulas. Beyond the weather tools, the site also dives into packet radio with a local BROCK node, and offers curated links for amateur radio clubs, ARES/RACES, and general computing resources.
http://monitoringtimes.com/html/mtswlprimer1.html
A beginner's guide to shortwave radio listening from Monitoring Times, written by Ken Reitz, covering how to choose the right receiver across price ranges from budget portables to professional communications receivers. The article walks newcomers through buying new versus used equipment, notable brands like Sony, Sangean, and Grundig, and even vintage shortwave sets worth hunting down at ham fests.
https://qsl.net/ve6ria
A QSL.net-hosted page belonging to the amateur radio operator with callsign VE6RIA, a Canadian ham radio licensee. The site appears to be a personal radio operator page on the popular QSL.net hosting platform for ham radio enthusiasts.
https://sera.org/
SERA, the Southeastern Repeater Association, is the largest amateur radio repeater coordinating organization in the United States, serving ham radio operators across Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, and West Virginia. The site provides frequency coordination resources, band plans across multiple frequency ranges, a coordinated repeater database, and membership information for licensed amateur radio operators in the Southeast.