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://ben.davies.net/telescope.htm
Ben Davies documents the design and construction of a 12.5-inch Newtonian telescope, covering everything from the equatorial horseshoe mount and mirror flotation cell to motorized collimation and CCD imaging. The site also includes observational work on variable stars, nebulae, galaxies, and spectroscopy, making it a rich resource for serious amateur telescope makers.
https://jmol.sourceforge.net/
Jmol is a free, open-source Java application and HTML5 tool for visualizing chemical structures in interactive 3D, supporting molecules, crystals, biomolecules, and materials. The project offers downloadable binaries, extensive scripting documentation, demos, and a community mailing list, making it a go-to resource for chemistry education and research.
https://iceinspace.com.au/
IceInSpace is the largest online amateur astronomy community in the Southern Hemisphere, serving over 20,000 registered members across Australia, New Zealand, and South America. The site features astronomy forums, equipment reviews, DIY projects, astrophotography galleries, event reports, and an astronomy glossary tailored to southern hemisphere observers.
http://www.dmx512.com/
DMX512.com is a technical reference hub dedicated to entertainment technology, covering stage lighting, audio, communications, MIDI, show control, and power systems for theatre production. Named after the DMX512 lighting control protocol, the site organizes resources across multiple categories including net resources, reference materials, and even accident reports relevant to technical theatre professionals.
https://thecosmarnaut.neocities.org/
Mars, a 20-something university student, built this space-themed personal site called The Observatory as both a creative outlet and a first coding project. The site features personal pages covering favorites, original characters, and infodumps, all wrapped in a stargazing aesthetic with pixel art and a love of space at its heart.
https://gryffindors.com/sarina/rain
Nature's Shower is a fanlisting dedicated to rain, listed under the Nature category at The Fanlistings Network, where fans of rainy weather can join and be counted among 115 members. Part of a broader collective of nature-themed fanlistings including Snow, Waterfalls, and Seasons, it offers a cozy corner of the web for those who simply love the rain.
https://www.qsl.net/n1pce
John N1PCE runs the Northern New Hampshire AllStar Network, a linked repeater system spanning Whitefield and Groveton with VHF/UHF nodes and a DMR BrandMeister connection on Cannon Mountain. The site lists node frequencies, CTCSS tones, ASL node numbers, and a weekly 'North Country Weather Net' schedule for amateur radio operators in the north country region.
https://westernsoundscape.org/
Housed at the University of Utah's J. Willard Marriott Library, the Western Soundscape Archive offers thousands of audio recordings of animal species and ambient environments across eleven western U.S. states and the Arctic National Wildlife Refuge. Visitors can search or browse recordings of over 570 bird species, frogs, toads, reptiles, mammals, and wild landscape soundscapes contributed by volunteers, government agencies, and conservation groups.
https://weca.org/
The Westchester Emergency Communications Association (WECA) has been serving the Hudson Valley region through amateur ham radio since 1972, with a base repeater on 147.06 MHz. The site offers an extensive range of resources including APRS live mapping, ARES/RACES emergency communications info, FCC license exam prep, hamfests, local repeater listings, and SKYWARN weather spotting details.
https://500kc.com/
The 500 KC Amateur Radio Experimental Group, run by Ralph M. Hartwell II, documents the WD2XSH experimental station network operating in the 600-meter (500 kHz) band, including reception reports, station maps, frequency assignments, and FCC regulatory updates. A fascinating resource for low-frequency amateur radio enthusiasts, it captures the years-long effort by American hams to secure the new 630-meter band allocation from the FCC.