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://rudius.net/oz2m/taclog
OZ2M's TACLog is a dedicated page for amateur radio contest logging software, likely developed by the Danish ham radio operator behind the OZ2M callsign. Visitors interested in contest operating and logging tools for amateur radio will find this a focused technical resource.
https://sprott.physics.wisc.edu/FRACTALS.HTM
Julien C. Sprott's Fractal Gallery is a sprawling collection of computer-generated fractal artwork, featuring a daily auto-updated fractal derived from strange attractor algorithms described in his book 'Strange Attractors: Creating Patterns in Chaos'. Visitors can browse thousands of downloadable images spanning Julia sets, Mandelbrot sets, 3D anaglyphs, tilings, and animations, plus a Java applet that generates new fractals every five seconds.
https://terriblelizard.info/
Built by a librarian and PhD student researching the cultural history of dinosaurs in children's media, Terrible Lizard blends academic bibliography, subject guides, and curated open-access resources in the spirit of old-school faculty homepages. Visitors will find ecohorror reading lists, dinosaur-related databases, language resources, and topic shrines organized with a librarian's careful hand.
https://www.qsl.net/mid-islandarc
The Mid-Island Amateur Radio Club (MIARC) serves ham radio enthusiasts on Long Island, New York, with club info covering repeaters, membership applications, and Field Day photos. A community hub for local hams, the site also features a bulletin board, swap shop, and links to related resources including VE exam info and ARRL connections.
http://weather.mailasail.com/Franks-Weather/Home
Frank Singleton's extensive weather and sailing resource covers marine meteorology, GRIB files, GMDSS services, weather communications, and practical forecasting guidance for sailors and cruisers. With cruising logs dating back to 2000, links to national weather services, and coverage of topics from basic atmospheric theory to climate change, this site is a remarkably thorough reference for anyone navigating at sea.
http://spaceshipone.airshowjournal.com/2004
Fred Bruenjes documents his firsthand experience photographing the historic June 21, 2004 launch of SpaceShipOne, the first privately funded spacecraft to reach space, at Mojave Airport. The site is part of a larger airshow journal covering dozens of air shows across California and beyond, featuring hundreds of original photos from events ranging from Miramar to Oshkosh.
https://www.qsl.net/by2hit
The official web presence of the BY2HIT Amateur Radio Club at Harbin Institute of Technology in Harbin, China, reachable via the QSL.net callsign network. The site provides QSL card mailing information and serves as a landing page for this university-based ham radio club.
http://wxqa.com/
The Citizen Weather Observer Program (CWOP) is a public-private partnership that collects weather data from over 7,000 citizen-operated stations across North America, feeding real-time observations to NOAA and dozens of government agencies. Visitors can join the network, check data quality, view maps and displays, and access resources for setting up their own personal weather stations.
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.
http://stellar-database.com/scale.html
A concise educational page from stellar-database.com that walks readers through the mind-bending scale of the universe, from the Earth's diameter out to the edge of the known cosmos. It explains astronomical units, light-years, and parsecs with precise conversion figures, making vast cosmic distances tangible and comparable.