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://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.
http://capella-observatory.com/
Capella Observatory documents an amateur astronomical observatory situated atop the Kupferberg in Namibia, near Windhoek, offering a rare southern-hemisphere observing perspective. The site features astrophotography and deep sky observations including nebulae, globular clusters, and open star clusters captured with a 60cm telescope.
http://geom.uiuc.edu/
The Geometry Center was a University of Minnesota research and education hub dedicated to mathematics, geometry, and visualization tools, now archived after its closure. Visitors can explore interactive Java applications, 3D geometry software like Geomview and JGV, multimedia math documents, downloadable software, and video productions covering topics from solar system models to symmetry exploration.
https://radioring.neocities.org/
The Radio Ring is a Neocities-based webring connecting personal websites whose owners share a love of radio, welcoming both amateur radio enthusiasts and casual fans alike. Built on the onionring framework, it offers simple join instructions and links members together in a navigable loop.
https://nzastronomy.co.nz/directory
The New Zealand Astronomy Directory is a comprehensive curated guide to stargazing operators, observatories, and dark sky experiences across New Zealand, from Qualmark-approved planetariums to guided night sky tours on Stewart Island. Visitors can browse listings by region to find observatories, astrophotography tours, and dark sky places throughout both the North and South Islands.
https://cadcwww.dao.nrc.ca/
The Canadian Astronomy Data Centre (CADC) is an official Government of Canada research facility that archives and provides access to astronomical data for scientists and researchers. Hosted by the National Research Council of Canada, it serves as a centralized repository for observational astronomy data collections.
https://skymarvels.com/
SkyMarvels is an astronomy education site that guides visitors through the night sky and solar system using interactive animations, videos, and the free 3-D simulation software Celestia. Covering everything from individual planets and moons to deep-sky objects and the scale of the cosmos, the site offers a genuinely immersive experience suitable for beginners and enthusiasts alike.
https://astronomy-links.com/
Clark M. Thomas of Roanoke, VA has assembled a free, non-commercial collection of astronomy links organized to help stargazers at all experience levels discover resources, from deep sky databases and space telescope galleries to star party listings and homework help. Highlights include curated 'Best of the Best' picks, a newest-links section for returning visitors, and a broad sweep of resources covering Mars missions, the Messier catalog, observing clubs, and more.
http://wasan.jp/english
Created by Hiroshi Kotera, this site documents Sangaku, the beautiful geometric theorems that Japanese scholars of all social classes inscribed on wooden tablets and dedicated to shrines and temples during the Edo period. It offers images of surviving Sangaku tablets and serves as a rare English-language window into this uniquely Japanese mathematical tradition dating back to 1996.
https://rammb-data.cira.colostate.edu/tc_realtime
Run by NOAA's Regional and Mesoscale Meteorology Branch at Colorado State University, this site tracks currently active tropical cyclones worldwide in real time using satellite imagery and meteorological data. Researchers and weather enthusiasts can browse live storm data, archived seasons going back to 2006, and products developed by NESDIS/STAR/RAMMB scientists.