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://rokonshimo.neocities.org/
Tangle's personal corner of the web belongs to an autistic Australian graduate student of Space Science with wide-ranging interests and ambitious creative projects. The site features a blog, character bios, and various personal sections, all wrapped in a warm and quirky introduction that hints at much more content to come.
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://physicspages.com/
PhysicsPages is a detailed self-study companion covering classical mechanics, quantum mechanics, electrodynamics, relativity, string theory, and more, written with honest, jargon-free explanations that avoid the dreaded 'obviously' of typical textbooks. The creator presents rigorous, math-heavy notes designed for university students or independent learners working through structured physics topics.
http://charlieselectronics.com/
Charlie's Electronics is the home base of AB5U, a Dallas-area ham radio operator running multiple UHF and VHF repeaters across the Dallas-Rowlett-Garland region. The site covers amateur radio topics, two-way radio repair services, off-grid power and cooling for field operations, and practical electronics tips.
https://westernsoundscape.org/
Housed at the University of Utah's J. Willard Marriott Library, the Western Soundscape Archive offers thousands of audio recordings of animal species and ambient environments across eleven western U.S. states and the Arctic National Wildlife Refuge. Visitors can search or browse recordings of over 570 bird species, frogs, toads, reptiles, mammals, and wild landscape soundscapes contributed by volunteers, government agencies, and conservation groups.
https://kk4das.blogspot.com/
KK4DAS is a ham radio blog by an enthusiastic homebrew builder documenting the construction of transceivers, antennas, and test equipment from scratch. Posts dive deep into technical details like crystal ladder filters, diode ring mixers, and VFO modules, making it a treasure trove for QRP and homebrew radio enthusiasts.
https://uksmg.org/landing.php
The UK Six Metre Group is a dedicated amateur radio organization promoting activity on the 50MHz band, with resources covering DX spotting, propagation tools, contests, awards, and licensing guidance. It features real-time DX maps, standings tables, solar weather links, and a membership program, making it a comprehensive hub for Six Metre enthusiasts worldwide.
https://www.qsl.net/la5ki/index.htm
LA5KI Vintage Ham Radio is a Norwegian amateur radio operator's site dedicated to vintage ham radio equipment and history. The page features a classic old-web aesthetic and serves as a gateway to content about antique radio gear and the amateur radio hobby.
http://tcrc.org/
The Twin Cities Repeater Club (TCRC) is a Minnesota-based amateur radio club centered around the 147.210 MHz repeater, which also serves as the primary frequency for South Metro Skywarn weather spotting. Visitors can find repeater information, club calendars, hamfest listings, VE exam resources, and weekly net schedules for Twin Cities-area ham radio enthusiasts.
http://amurbirding.blogspot.com/
The Amur Bird Project documents bird research and conservation efforts in Russia's Amur region and Siberia, with detailed field reports on catching, tagging, and tracking species like Bluethroats with geolocators. Run by a team of researchers including Wieland Heim and collaborators, it offers a rare window into ornithological fieldwork in some of the world's most remote wetland habitats.