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)
http://dxing.info/introduction.dx
DXing.info, created by Mika Mäkeläinen, is a comprehensive guide to the hobby of DXing, the practice of listening to distant and foreign radio stations far outside their normal coverage areas. The site covers equipment, propagation, a DX glossary, expedition logs from countries like Australia, Finland, and South Africa, and audio samples of rare distant broadcasts.
http://ukesca.org/
The UK ESCA Users Group is a professional forum connecting scientists from academia and industry around Electron Spectroscopy for Chemical Analysis and surface science, meeting twice yearly and publishing an online newsletter. The site offers an extensive guide to surface science techniques and acronyms, tutorials, online databases of binding energies and elemental properties, and a global directory of surface science laboratories.
https://weathercharts.org/
A comprehensive aggregator of meteorological charts covering the North Atlantic and Europe, pulling together synoptic analysis and forecast data from sources like UKMO, DWD, GFS, and FNMOC. Weather enthusiasts, sailors, and aviation buffs will find an extensive collection of MSLP charts, upper-air forecasts, wave height data, and model animations spanning up to 384 hours ahead.
http://nsradio.org/
The North Shore Radio Association (NSRA) serves amateur radio operators in the Peabody and Danvers, Massachusetts area, coordinating weekly club nets on the 145.470MHz repeater and organizing VE licensing exam sessions. The site provides members with information on club meetings, ARES/Skywarn emergency communications, DMR digital radio, and public service activities.
https://qsl.net/scoutradio
Scout Radio appears to be a site dedicated to amateur radio activities within the Scouting community, combining two classic youth and hobbyist traditions. The image-heavy layout and QSL.net hosting strongly suggest this is a ham radio club or station operated by or for Scout groups.
https://mtarchive.geol.iastate.edu/
The ISU Meteorology Archive (MTArchive) at Iowa State University provides a massive publicly accessible repository of historical weather data and satellite imagery spanning from 1933 to the present. Maintained by the Iowa Environmental Mesonet project, it includes decades of archived GOES satellite imagery viewable through the IEM CoD Archive Viewer, making it an invaluable tool for researchers and meteorology enthusiasts alike.
https://stormgasm.com/
Stormgasm is the storm chasing hub of Jim Bishop, Juston Drake, and Simon Brewer, featuring tornado videos, hurricane footage, supercell photography, and storm chase journals from across the Great Plains and beyond. Visitors can browse a stock footage library, explore photo galleries, and follow the team's active storm chasing adventures in real time.
http://xastir.org/index.php/Main_Page
XastirWiki is the documentation hub for Xastir, an open-source APRS (Automatic Packet Reporting System) client that provides mapping, tracking, messaging, weather alerts, and Search & Rescue features over amateur radio and the internet. Built by contributors worldwide and licensed under the GNU GPL, Xastir supports multiple platforms and is a feature-rich tool for ham radio operators who rely on real-time digital packet reporting.
https://k8vsy.radio/
K8VSY is the amateur radio blog of a ham radio enthusiast who covers topics ranging from DMR hotspot upgrades and Parks on the Air activations to ham radio conventions like Hamvention 2025. The site also touches on FOSS tools, Raspberry Pi projects, and social media reflections, making it a lively personal record of life on the airwaves.
https://darc.de/home
DARC (Deutscher Amateur-Radio-Club e.V.) is the official national organization for amateur radio operators in Germany, offering member services, licensing information, contest coordination, and club resources. With sections covering HF, VHF/UHF/SHF, emergency communications, DX, and youth training, it serves as a comprehensive hub for the German ham radio community.