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://milueth.de/Moose
Michael Lueth's extensive photographic flora documents mosses, liverworts, and other bryophytes across Europe and beyond, with photo diaries from dozens of field excursions spanning from Svalbard to Madeira. The site features hundreds of species-level plant photographs organized by location and expedition, making it a remarkable visual reference for bryophyte enthusiasts and botanists alike.
http://worldclimate.com/
WorldClimate.com is a comprehensive database of historical weather averages for over 85,000 locations worldwide, offering rainfall, temperature, and precipitation records spanning decades. Travelers, researchers, and curious minds can look up climate normals for cities from Bangkok to Lima, making it a handy reference for trip planning, relocation decisions, or general weather curiosity.
https://scottaaronson.blog/
Shtetl-Optimized is the long-running blog of Scott Aaronson, a theoretical computer scientist and quantum computing researcher, where he dives deep into complexity theory, quantum computing misconceptions, AI, and education policy. Known for its intellectual rigor and wit, it attracts readers from academia and beyond who enjoy substantive takes on math, physics, and the occasional culture-war skirmish in gifted education.
https://www.qsl.net/farg
The Friends of Amateur Radio Group (FARG), operating under callsign N9LCR, is a Chicago-area amateur radio club promoting radio knowledge, fraternalism, and community outreach through multiple digital and Allstar nets. The site connects members and visitors to club nets like the Net with No Name, Teapots Tech-Friday Net, and Kidz Connection Net, and features event coverage from Field Day and the Yuma Hamfest.
http://fishpool.org.uk/
G4WIF shares a growing archive of home construction projects for amateur radio enthusiasts, covering topics like antennas, attenuators, and QRP test equipment. The site also references a co-authored book on simple test equipment for QRPers, with years of archived articles dating back to 2016.
http://scotese.com/
The PALEOMAP Project, run by Christopher Scotese, is a comprehensive scientific resource illustrating the plate tectonic development of Earth's ocean basins and continents over the past 1.1 billion years. Visitors can explore full-color paleogeographic maps, interactive 3D PaleoGlobes, animations of ancient Earth configurations like Pangea, and download materials for geology education.
http://rxcontrol.free.fr/
A technical hobbyist site focused on shortwave listening, featuring custom hardware designs using PIC microcontrollers, RTTY decoders, HF receiver control software, and digital decoding tools built by the creator. Visitors will find schematics, software downloads, and detailed projects spanning everything from RS-232 adapters to ADS-B decoders and frequency standards.
http://dimensions-math.org/Dim_E.htm
Dimensions is a freely available two-hour mathematical film by Jos Leys, Étienne Ghys, and Aurélien Alvarez that guides viewers through nine chapters building up to the concept of the fourth dimension. Released under a Creative Commons license, it offers commentary and subtitles in over a dozen languages, making advanced mathematical visualization accessible to a global audience.
https://kb6nu.com/
Dan Romanchik (KB6NU) runs this long-running amateur radio blog covering news, equipment reviews, licensing study guides, and community happenings in the ham radio world. Notable features include No Nonsense study guides for Technician, General, and Extra class licenses, along with commentary on everything from MFJ equipment to repeater guides.
https://iasindy.org/
The Indiana Astronomical Society is a membership-based club dedicated to amateur astronomy, offering monthly public lectures, access to the historic Goethe Link Observatory, dark-sky observing sites, and outreach programs for students across central Indiana. With resources ranging from a beginner Astronomy 101 crash course to star party event listings and a member collaboration site, it serves everyone from curious newcomers to seasoned sky watchers.