Science & Nature
1413 sites
Subcategories:
- Astronomy & Space (390)
- Chemistry (7)
- Earth Sciences (24)
- Biology (76)
- Physics (29)
- Mathematics (51)
- Weather & Climate (100)
- Amateur Radio (681)
- Electronics (45)
http://w7zoi.net/
The personal site of Wes Hayward (W7ZOI), a well-known amateur radio engineer and co-author of 'Experimental Methods in RF Design' (EMRFD), featuring technical articles, filter design resources, errata, and glimpses of his ham shack. A rich destination for radio homebrewers and RF enthusiasts, with bonus content covering mountain hikes that incorporated amateur radio operation.
https://w4ug.com/
The Virginia Beach Amateur Radio Club (VBARC) is the home of callsign W4UG, an ARRL Special Service club serving the Virginia Beach area with monthly meetings, license testing sessions, and public service events. Visitors can find club bylaws, membership details, local repeater information, and upcoming contests and QRP Saturdays.
http://bitxhacks.blogspot.com/2017/10/raduino-as-nbfm-tx.html
BITX Hacks is a technical blog by Ashhar Farhan focused on modifications and experiments with the BITX40 amateur radio transceiver boards and Raduino controller. This post walks through a clever 30-minute hack to turn the Si5351 clock generator into a narrow-band FM transmitter using a varactor diode and a simple audio amplifier circuit, complete with Arduino sketch code.
https://nature.i-heart-you.net/forests
Woodlands is a fanlisting dedicated to forests and woodland environments, welcoming nature lovers from around the world to join its community of over 128 fans across 28 countries. Listed under The Fanlistings Network's Nature category, it has been running since 2014 and serves as a simple but enduring tribute to the love of forested landscapes.
https://nobarc.org/
The Northern Berkshire Amateur Radio Club (NoBARC) serves approximately 150 licensed ham radio operators in Berkshire County, Massachusetts, with repeaters positioned atop Mount Greylock at 3,500 feet providing coverage across a 250-300 mile radius. The site features meeting schedules, DXpedition presentations, repeater information, license classes, field day results, and resources for new hams.
http://schursastrophotography.com/index.html
Schur's Web Portal is a personal site showcasing the creator's passion for nighttime astrophotography alongside interests in running and paleontology. The astrophotography section appears to be the dominant focus, making this a compelling destination for amateur astronomers and stargazers.
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://drseti.com/
The personal website of Dr. H. Paul Shuch, N6TX, an aerospace engineer and educator best known as 'Dr. SETI' for his work in the Search for Extra-Terrestrial Intelligence. Beyond SETI and radio astronomy, the site weaves together his interests in amateur radio, EME (Earth-Moon-Earth) communication, folk and filk music, poetry, and Vietnam veteran experiences.
https://nzart.org.nz/nzart
The New Zealand Association of Radio Transmitters (NZART) is the national membership organization for amateur radio operators in New Zealand, offering licensing guidance, study resources, exam information, and emergency communications coordination through its AREC volunteer network. With over a century of history leading up to its 2026 centenary, the site includes band plans, repeater maps, branch directories, and the association's long-running publication Break-In.
https://nssl.noaa.gov/users/brooks/public_html/tornado
Harold Brooks of NOAA's National Severe Storms Laboratory presents a detailed statistical analysis of tornado climatology in the United States, examining frequency, death rates, and the challenges of detecting climate-related trends in the historical record. The site features data visualizations and Markov chain modeling of significant tornado days, with a particular focus on putting the large 1998 tornado death toll into historical perspective.