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://jap.hu/electronic
Peter's DIY electronics hub showcases a range of original hardware projects including relay modules for Raspberry Pi and Arduino, PIC microcontroller circuits, remote control encoders, and an LCD thermometer. Each project comes with schematics and build guides, making this a great resource for hobbyist engineers looking for practical, hands-on circuit designs.
https://rigpix.com/index.shtml
RigPix is a comprehensive reference database featuring information, specifications, and photographs of ham radio and shortwave receiver equipment from hundreds of manufacturers including Icom, Kenwood, Yaesu, Hallicrafters, Heathkit, and many more. With thousands of entries spanning vintage and modern transceivers, scanners, and accessories, it serves as an indispensable rig reference for amateur radio operators and SWL enthusiasts alike.
http://arc.iki.rssi.ru/eng/index.htm
The Space Research Institute (IKI) of the Russian Academy of Sciences is Russia's principal organization for robotic space research, designing scientific instruments and leading missions such as Spektr-RG, ExoMars, and the Luna lunar program. Founded in 1965, this archived English-language site offers institutional history, department structure, mission summaries, and links to international conferences spanning decades of Soviet and Russian space science.
http://geologyshop.co.uk/
Geologyshop is a comprehensive geological reference hub offering curated links to over 1200 worldwide geology websites organized by subject, covering topics from dinosaurs and volcanoes to chalk formations and channel tunnel geology. Visitors can access free geological documents, maps, field guides, and educational content for students, teachers, and professionals interested in earth sciences.
https://qsl.net/nogaqrp
The NOGA QRP Club is an amateur radio club focused on low-power (QRP) radio operation, Morse code (CW), and kit building and construction. This page serves as a redirect to the club's new home at nogaqrp.org, with meta keywords hinting at a community centered around QRP kits like the Pixie transceiver.
http://skunkbayweather.com/
Skunk Bay Weather is a hyperlocal weather station site based in Hansville, Washington, offering live conditions updated every minute including temperature, wind speed, and rainfall data from multiple sensors. The site also features webcams, Northern Lights time-lapse videos, aurora forecasts, air quality links, and contributes data to Weather Underground and other meteorological organizations.
http://windpowerhandbook.com/
The Wind Power Handbook, created by Timlynn Babitsky, is a resource for community organizers and activists navigating wind energy projects, covering everything from NIMBY debates and turbine noise myths to the economic benefits for farmers and local communities. With organized sections on strategies, case studies, innovations, and policy issues, it serves as a practical guide for anyone trying to advance or understand wind power development.
http://lightningwizard.com/maps/usa.html
Lightning Wizard provides detailed convective weather forecast maps for North America, Europe, and the Caribbean, pulling data from the National Centers for Environmental Prediction and the National Weather Service. The site covers advanced meteorological parameters like CAPE, bulk shear, and MSL pressure across multiple forecast time intervals, making it a valuable tool for storm chasers and weather enthusiasts.
http://company7.com/
Company Seven is a long-established astro-optics retailer and resource hub based in Laurel, Maryland, serving both amateur and professional astronomers with telescopes, binoculars, rare optical instruments, and expert consultation. Notable for its involvement with NASA missions including the Hubble Space Telescope Repair and the James Webb Space Telescope, this site blends a brick-and-mortar showroom presence with a deep online resource for the astronomy community.
https://starastronomy.org/
STAR (Society of Telescopy, Astronomy, and Radio) is a Monmouth County, NJ amateur astronomy club founded in 1957, offering monthly meetings, star parties, observing nights, and public outreach programs for all experience levels. The site features sections on telescope making, light pollution, a spectrogram tool, member photos, and a picture of the day, making it a rich hub for local stargazers.