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://muzique.com/
Jack Orman's AMZ is a deep well of DIY guitar effects pedal knowledge, offering free schematics, project guides, a lab notebook, and a blog covering circuits for fuzzboxes, boosters, overdrives, and more. With decades of content, PCB boards for sale, and downloadable ebooks, it stands as one of the most comprehensive stompbox electronics resources on the old web.
https://bangladeshtornadoes.org/mytornadochases/mychases.html
Jonathan D. Finch documents his storm chasing expeditions from 1993 to the present, with detailed accounts of each chase including target areas, driving routes, and close encounters with tornadoes across the Great Plains. A fascinating firsthand record spanning decades of severe weather pursuit, complete with photos captured from video footage and narrative logs of near-misses with significant tornadoes.
https://www.qsl.net/yo8ps/links.html
YO8PS is the ham radio site of Sorin Parlog, a Romanian amateur radio operator whose links page compiles an extensive curated collection of ham radio resources including dealers, manufacturers, clubs, antenna resources, contesting groups, and callsign servers. The sheer breadth of categorized links makes this a useful reference point for hams looking to find suppliers, organizations, and special interest groups across North America and beyond.
http://dibonsmith.com/graphics.htm
Created by Richard Dibon-Smith, this site provides graphics and reference information for all 88 officially recognized constellations, from Andromeda to Vulpecula. Each constellation gets its own dedicated page, making it a handy visual reference for amateur astronomers and sky-watchers.
http://stratigrafia.org/cincy
Created by Steven Holland of the UGA Stratigraphy Lab, this site documents the extraordinary fossil record and rock strata of the Upper Ordovician near Cincinnati, Ohio, covering over 470 genera and 1200 species. It combines detailed paleontology with cutting-edge stratigraphic interpretation, making it a valuable reference for both professional researchers and amateur fossil enthusiasts.
https://k5sld.org/
The Arlington Amateur Radio Club (K5SLD) is a community club based in Arlington, Texas, offering weekly nets on their 2-meter repeater, club dinners, licensing resources, and membership information. The site serves as the central hub for local ham radio operators to stay connected, pay dues, and participate in club events including CERT emergency response training.
http://smallwonderqrp.blogspot.com/
K.P.S. Kang's blog dedicated to QRP (low-power) radio building, featuring homebrew transceiver projects, circuit schematics, and PCB layouts for minimalist radio construction. Posts cover topics like speech processors, SSB transceivers, and the FIREO low-power transceiver design, making it a useful resource for amateur radio homebrewers.
http://rocklandastronomy.com/
The Rockland Astronomy Club (RAC) is one of the East Coast's premier nonprofit astronomy education organizations, hosting star parties, lectures, dark sky observing sessions, and the renowned Northeast Astronomy Forum (NEAF). Visitors can find event schedules, observing locations at New York state parks, and information about joining a vibrant community of amateur astronomers.
https://stormdude.com/stormchasing/stormchasing.html
Stormdude is a personal storm chasing site documenting decades of adventures across the Great Plains in pursuit of supercells, with photo journals spanning from 1998 through 2027. The site features a main gallery, top chase days highlights, humor pages, and lists of other storm chasers, making it a rich archive for weather enthusiasts.
https://metrocor.net/
MetroCor is the Metropolitan Coordination organization for amateur radio repeaters covering New York City, New Jersey, and surrounding counties, maintaining an extensive database of coordinated frequencies across bands from 10 meters through 23 centimeters. The site publishes detailed repeater coordination tables listing hundreds of callsigns, output and input frequencies, PL tones, and coordination status for the greater NYC metro area.