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)
https://exoplanet.eu/home
The Encyclopaedia of Exoplanetary Systems, maintained by a dedicated research team since 1995, catalogs over 8,000 confirmed extrasolar objects with filtering, sorting, and export tools for professional and amateur astronomers alike. Visitors can explore databases on binary star systems and circumstellar disks, generate online plots, view planetary systems in 3D and even virtual reality, and browse an exhaustive bibliography of exoplanet discoveries.
http://wildlifer.com/wildlifesites/index.html
Bill Standley's curated directory of internet resources for wildlife ecologists, organized into categories covering federal and state organizations, professional and non-profit groups, universities, and taxa such as mammals, birds, amphibians, and reptiles. The site also indexes resources for endangered species, fisheries, aquatic ecology, jobs, and wildlife-related products like telemetry equipment and optics.
https://scopereviews.com/
Ed Ting's telescope review site has been gathering light since 1997, offering one of the most comprehensive collections of telescope reviews on the internet with over 100 scopes evaluated, eyepiece reviews, beginner buying guides, and a telescope rankings matrix. Video reviews, Q&A columns, and feature articles make this a go-to resource for anyone from first-time buyers to seasoned amateur astronomers.
http://thearac.org/
The Arrowhead Radio Amateurs Club (ARAC, W0GKP) is one of the oldest ham radio clubs in the region, founded in 1929 to promote amateur radio in northeastern Minnesota and northwestern Wisconsin. The site offers club meeting details, repeater information, Skywarn weather monitoring links, education and testing session resources, and membership information for the Duluth-Superior Twinports area.
https://astromag.co.uk/
AstroMag is an informational astronomy website covering celestial bodies, space weather, gamma-ray bursts, eclipses, and deep-space phenomena in accessible language for general readers. Articles span topics from Jupiter's moons to the Kuiper Belt, making complex astronomical concepts approachable without requiring a scientific background.
https://kb3lyb.com/
KB3LYB is an amateur radio blog by a Pittsburgh-area ham documenting technical projects like setting up an Echolink node for the W3EXW repeater on 147.090MHz. The site includes detailed wiring diagrams, hardware bill-of-materials, and Raspberry Pi/SvxLink configuration notes useful to other hams attempting similar builds.
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.
http://polar-electric.com/
Polar Electric offers MRP40, a German-language amateur radio software suite that decodes and encodes Morse code signals using a computer soundcard as the audio interface. The site also provides several free companion tools including a mini logbook, DTMF decoder and encoder, Morse tone encoder, and a TeleType modem program for text transmission over radio.
http://nrrt.org/
The Newton Radio Response Team is a community emergency communications group based in Newton, likely coordinating amateur radio operators for public safety and disaster response. Sites like this serve as a hub for volunteer ham radio operators who support local emergency services when standard communications fail.
https://www.qsl.net/brvarc
The Black River Valley Amateur Radio Club serves Lewis County, New York, connecting local ham radio enthusiasts with the Northern New York Section of the ARRL. The page is a minimal stub that redirects visitors to the regional ARRL section website for club news and information.