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://rainreport.com/
RainReport.com offers a way to track and measure rainfall data without needing on-site monitoring equipment or physically visiting your property. The service uses Doppler radar and related data to provide precise rainfall reports, making it a practical tool for homeowners, farmers, and anyone who needs to know when and how much rain fell at a specific location.
https://www.qsl.net/n1pce
John N1PCE runs the Northern New Hampshire AllStar Network, a linked repeater system spanning Whitefield and Groveton with VHF/UHF nodes and a DMR BrandMeister connection on Cannon Mountain. The site lists node frequencies, CTCSS tones, ASL node numbers, and a weekly 'North Country Weather Net' schedule for amateur radio operators in the north country region.
https://hms.sternhell.at/hms.php?country=Austria&lang=English&page=pages%2Fmain
How Many Stars is a long-running international citizen science project now in its 22nd year, dedicated to measuring light pollution and night sky visibility through naked-eye observations submitted by volunteers worldwide. Participants count visible stars in specific regions and submit their reports, contributing to a global dataset tracking the degradation of dark skies over time.
https://bara.org/
The Bergen Amateur Radio Association (BARA) is a New Jersey-based ham radio club serving Bergen County, with monthly meetings, weekly nets, VE exams, and semi-annual hamfests. Members range from antenna specialists to digital mode enthusiasts, and the club has a strong tradition of technical knowledge sharing and community participation.
http://andrewscom.com.au/
Andrews Communications is an Australian retailer specializing in marine radio, telescopes, binoculars, scanners, CB radio, and test equipment. The shop serves customers across Australia with a broad range of optical and electronic communication products.
https://cadcwww.dao.nrc.ca/
The Canadian Astronomy Data Centre (CADC) is an official Government of Canada research facility that archives and provides access to astronomical data for scientists and researchers. Hosted by the National Research Council of Canada, it serves as a centralized repository for observational astronomy data collections.
https://fishesofaustralia.net.au/
Fishes of Australia is a comprehensive reference database hosted by Museums Victoria on behalf of the OzFishNet community, covering the diversity and biology of Australia's marine and freshwater fish species. Visitors can explore an interactive Lucid Key for identifying freshwater fishes, a picture-based Family Finder, and detailed species profiles like the rare Whiskered Prowfish.
https://empslocal.ex.ac.uk/people/staff/mrwatkin
Matthew R. Watkins is a mathematician and honorary researcher at Exeter University whose site centers on his celebrated 'Secrets of Creation' trilogy, making analytic number theory and prime numbers accessible to general audiences. The site also features a number theory and physics archive, prime number resources for beginners, and links to his eclectic range of interests including parapsychology, the I Ching, and psychogeography.
http://gothosenterprises.com/black_holes
Jillian's Guide to Black Holes is an informal yet thorough educational resource originally written as a university physics project at Syracuse University, covering black hole formation, classifications, accretion disks, Hawking radiation, wormholes, and how to locate black holes across the universe. Written by Jillian in an approachable, conversational style, it stands out for its careful citations, multilingual reach (including a Basque translation), and years of ongoing updates beyond its academic origins.
https://sidewalkastronomers.us/
The Sidewalk Astronomers are a public service amateur astronomy association founded in the tradition of John Dobson, dedicated to bringing telescopes directly to the public in parks, street corners, and busy public spaces. The site features event schedules, telescope plans, newsletters, international projects, and resources for local chapters around the world.