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://cobaltpet.blogspot.com/
Run by a Northern California hobbyist known as 'weatherall', this blog chronicles shortwave and mediumwave radio listening with detailed reception reports, SIO signal quality codes, station identifications, and portable receiver reviews. Covering international broadcasters, number stations, utility signals, NDB logs, and DXing tips, it's a thorough record of the hobby for fellow shortwave enthusiasts.
https://meteor.geol.iastate.edu/~jdduda/chasing/chasing.html
Jeff Duda, a geology student turned meteorology researcher, chronicles a decade of storm chasing with detailed chase accounts, busts, and lifetime statistics including 71 tornadoes over 111 chases and 52,000+ miles. Each year from 2008 to 2017 has its own dedicated page, making this a substantial firsthand log of severe weather pursuit across the Great Plains and Midwest.
https://dsimanek.vialattea.net/home.htm
Donald Simanek, a physics professor, has assembled a sprawling collection of resources covering physics puzzles, perpetual motion machines, pseudoscience debunking, creationism criticism, and science humor. Highlights include the Museum of Unworkable Devices, illustrated lectures, and a rich archive of skeptical and educational content that has earned recognition as one of the top skeptical websites on the web.
https://f4iha.fr/
The blog of Olivier (F4IHA), a French amateur radio enthusiast who documents his homebrew radio projects including low-power QRPP transmitters, VFOs, antenna tuners, and fox-hunting modules built with Arduinos and components costing under 30 euros. Posts cover schematics, PCB design in KiCad, measurements, and hands-on construction with detailed technical write-ups that make it a great resource for DIY radio builders.
https://elm-chan.org/
ChaN's personal electronics engineering site showcases hobby projects, technical notes, and software tools shared with enthusiasts worldwide, including the widely-used FatFs filesystem module for embedded systems. The site blends circuit designs, fluorescent lamp ballasts, and downloadable code under a Creative Commons license, making it a genuine resource for hardware hobbyists.
https://www.vkham.com/
VKHam is a comprehensive Australian amateur radio resource hub run by VK2CA, featuring over 12,000 QSL card images, a directory of 1800+ VK callsigns, repeater maps for all Australian states, and an extensive electronics and kit manual library. Visitors can look up VK callsigns, browse DX information, access frequency and Morse code references, and even post classified ads for ham radio equipment.
https://qsl.net/n9zia/wireless/laser/index.html
A hobbyist technical resource covering amateur laser and lightwave communications, including an experimental RS-232 laser transceiver, a 44 km laser link project, and a laser bounce listening device. The site documents hands-on DIY optical communication experiments that push the boundaries of what amateur radio enthusiasts can build on a budget.
https://aty.sdsu.edu/glossary.html
Andrew T. Young's comprehensive glossary defines technical terms used in atmospheric optics, covering phenomena like green flashes, mirages, and refraction drawn from optics, meteorology, astronomy, and geodesy. With 26 major sections and nearly 200 cross-linked entries, it serves as an authoritative reference for anyone studying how light behaves in Earth's atmosphere.
http://blog.marxy.org/
Peter Marks (VK2ZZC) runs this long-running blog blending amateur radio experimentation, particularly FreeDV digital voice modes, with regular technology commentary for ABC Radio's Nightlife program. Visitors will find net reports, homebrew radio projects, and tech takes on AI, Apple, and social media policy alongside links to the amateur radio community.
https://radio-astronomy.org/
The Society of Amateur Radio Astronomers (SARA) is a membership organization dedicated to the practice and promotion of radio astronomy among hobbyists, students, and educators. The site offers a wealth of resources including a peer-reviewed journal, educational guides for getting started, student grant programs, project sections, and details about annual conferences held across the United States.