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)
https://deepskyorg.tripod.com/deepsky_quiz.html
Deep-Sky.Org hosts an interactive quiz testing visitors' knowledge of deep-sky objects such as nebulae, galaxies, and star clusters. The multiple-choice format makes it a handy study tool for amateur astronomers looking to sharpen their observational knowledge.
http://lmars.org/
The Lake Monroe Amateur Radio Society (LMARS) is a ham radio club serving Seminole County and Central Florida, offering members resources like repeater information, a traffic net guide, licensing support, and a newsletter archive dating back to 2009. The site connects hams through regular meetings, fox hunts, Field Day operations, and community communications events, making it a solid hub for local amateur radio enthusiasts.
https://stormdig.com/
StormDig is storm chaser James Hammett's personal site documenting over 15 years of severe weather pursuits, featuring detailed storm accounts of tornadoes, supercells, and hail events dating back to 2003. Visitors can explore chase maps, video footage, equipment specs, an aurora monitor, and a glossary, making it a richly detailed record of one dedicated chaser's adventures.
https://math.columbia.edu/~woit/wordpress?p=15620
Peter Woit's 'Not Even Wrong' is a long-running physics blog hosted at Columbia University, covering cutting-edge topics in theoretical physics including twistor theory, quantum field theory, and the mathematics of unification. Woit writes with deep technical expertise and a critical perspective, making this a destination for mathematically sophisticated readers interested in the foundations of modern physics.
http://forrestmims.org/
Forrest M. Mims III is a prolific science author and self-taught scientist whose personal site documents decades of atmospheric research including UV-B measurements, volcanic aerosol tracking, and twilight photometry at Mauna Loa Observatory. With over 7.5 million books sold and a Rolex Award for science, Mims shares original scientific data, publications, and photography spanning solar radiation, dust layers, and environmental monitoring.
http://gazers.org/
The Penobscot Valley Star Gazers (PVSG) is a Maine-based astronomy club hosting monthly meetings both in-person at John Bapst High School in Bangor and via Zoom. The site offers a calendar of upcoming events, a gallery, an archive, and real-time comet tracking resources for members and stargazing enthusiasts in the region.
https://contestcalendar.com/
Run by Bruce Horn (WA7BNM), this comprehensive calendar tracks amateur radio contests worldwide, offering 8-day, 5-week, 12-month, and perpetual views alongside rules summaries, log submission deadlines, and historical data going back to 2005. Hams can customize the calendar to display only their preferred contests and even subscribe to a weekly email digest, making it an essential reference for the contesting community.
https://astrorx.org/
The Astronomical Society of the Desert (ASOD) is an amateur astronomy club with resources for beginners, star party schedules, observing site information, and membership details. Maintained by Bruce G, this old-web club homepage offers a glimpse into organized community stargazing in a desert region ideal for clear-sky observing.
https://aa9pw.com/
AA9PW.com is an amateur radio practice site built by operator AA9PW to help aspiring hams pass their FCC license exams and learn Morse code. It features customizable online practice tests, a Morse code generator, and a companion iPhone app called Ham Morse for on-the-go CW practice.
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.