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://tudorchemicals.co.uk/
Tudor Chemicals explores the surprisingly rich world of chemistry as it existed in Tudor-era England, covering topics like homemade cleaning agents, gunpowder, alchemy, and aqua regia. Visitors curious about historical science will find accessible explanations of how ordinary households used chemical processes long before the science was formally understood.
https://ve3xr.wordpress.com/
The Peel Amateur Radio Club (PARC) serves the ham radio community of Brampton and Caledon, Ontario, with resources covering repeaters, ARES emergency communications, nets, and special interest groups for HF, contesting, packet radio, and Morse code. Members can find meeting schedules, club bylaws, technical notes, and member projects, making it a well-rounded hub for local amateur radio operators.
https://wz5bbs.com/radio
WZ5BBS is the amateur radio station page of an Amateur Extra class licensee, cataloging an impressive shack setup including Icom, Kenwood, and Yaesu radios alongside Diamond and Chameleon antennas. The site tracks APRS iGate activity, multiple logbooks like POTA and Logbook of the World, fox hunting events, and club memberships with the Oak Hill and Austin Amateur Radio clubs.
https://qsl.net/w6sd
The San Fernando Valley Amateur Radio Club (SFVARC) maintains this archive of monthly board meeting notes spanning 2021 through 2024, offering a detailed record of club governance and activities. Visitors can also browse club inventory lists with photos and Field Day maps, making it a practical resource for current and prospective members.
https://mathwomen.agnesscott.org/women/women.htm
Hosted by Agnes Scott College, this site offers an extensive collection of biographical essays on women mathematicians throughout history, organized alphabetically, chronologically, and even by birthplace with an interactive Google Map. It also tracks prizes, firsts, and current achievements, making it a rich reference for anyone interested in the history of women in mathematics.
https://swling.com/blog
The SWLing Post is a richly detailed blog dedicated to shortwave listening, ham radio, DXing, and all things radio, run by Thomas and a community of contributors. Visitors will find equipment reviews, broadcast schedules, numbers station reports, SDR guides, and news spanning pirate radio to vintage receivers.
https://3830scores.com/
Created by Bruce Horn (WA7BNM), this site tracks and aggregates self-reported scores from hundreds of amateur radio contests, including ARRL DX, CQ WPX, and dozens of weekly sprint events. Operators can compare claimed scores across multiple years and calls, making it an invaluable reference for the competitive ham radio contesting community.
http://tornadoproject.com/
The Tornado Project is a comprehensive resource dedicated to tornado research, safety, history, and data, covering everything from the Fujita Scale to state-by-state tornado records and hurricane-related tornadoes. Visitors can explore tornado oddities, safety guides for various settings, historical records, and even tornado-themed games and crosswords, plus purchase books, DVDs, and posters.
http://rrac.org/
The Red River Astronomy Club (RRAC) serves amateur astronomers in the Ark-La-Tex region, offering observing sessions at their property near Nashville, AR, star party information, and astro photo galleries. The site includes links to local sky conditions, club news, member resources, and connections to astronomy clubs across Arkansas and Texas.
https://kc1xx.com/
KC1XX is the site for a competitive amateur radio station, featuring details about the station setup, antenna systems, and the team behind the operation. Visitors can browse the station gallery, search logs, and request QSL cards, with a bonus section covering the HJ4XX DX expedition.