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://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://www.qsl.net/w5www/ron.html
Ron (W5WWW) maintains this hub page collecting all the amateur radio webrings he belongs to, including the Radio Amateur Ring, Amateur Radio World Ring, HAMs on The Net, and Ham Radio Chat rings. A useful snapshot of how the early ham radio online community organized itself through interconnected webring networks.
https://kyham.info/
KYHAM.INFO serves as the central hub for Kentucky amateur radio operators, providing emergency net frequencies, section emergency plans, hamfest listings, and Skywarn severe weather resources. Maintained by Dan Rubino KD9CHL, this resource connects Kentucky hams with local district information, traffic manager reports, and the KYHAM groups.io community.
https://eznec.com/
EZNEC is a widely used antenna modeling and analysis software package created by Roy Lewallen (W7EL), now available for free as EZNEC Pro+ v7.0. The site provides downloads, documentation, FAQs, and detailed information about the software's NEC-based calculation engines for modeling antenna radiation patterns and wire configurations.
https://ei5di.com/
Paul O'Kane EI5DI offers SD, a free and actively maintained contest logging software for amateur radio operators running on Windows and Linux. The site also features Paul's personal commentary on ham radio topics, DXpedition stories, and resources like DXCC country files and Super Check Partial databases.
https://jrm.phys.ksu.edu/Scouts/Space-AstroLinks.html
Compiled by Vincent Needham at Kansas State University, this extensive link directory covers virtually every corner of space and astronomy on the web, from advocacy groups and industry players to SETI projects and digital sky surveys. With over 270 curated links organized into categories like amateur rocketry, space missions past and future, telescopes, and planetary science, it serves as a thorough reference hub for space enthusiasts and researchers alike.
https://his.com/~jrusso/ham.html
Jim and Karen's joint ham radio page for callsigns W4KRN and K4JJR features their station setup, ham radio links, and a reference to the Dayton 2000 hamfest. The site also participates in the Amateur Radio Webring and includes a local weather widget for Warrenton, Virginia.
http://meteor.iastate.edu/~ckarsten/bufkit/image_loader.phtml?site=ksea&%3Bnam=on&%3Bnam_mos=on&%3Bnamm=on&%3Bgfs_mos=on&%3Bgfs=on&%3Bgfsm_mos=on&%3Bgfsm=on&%3Bnws=on&%3Brap=on&%3Bobs=on&%3Bnam4km=on&%3Bcon=on&%3Bratio=11&%3Bmax_t=on&%3Bcobb=on&%3Bcompaction=on&%3Bmean_mt=on&%3Bmax_mt=on&%3Bmean=on
Hosted at Iowa State University, this Meteogram Generator produces hour-by-hour weather forecast charts for locations like KSEA (Seattle) by pulling data from multiple numerical models including NAM, GFS, RAP, and their MOS variants. Visitors can configure plots for temperature, dewpoint, wind speed, precipitation, snow accumulation, and more, then compare model output side by side across an extended forecast period.
http://rainforest.gardenwebs.net/
Stern's Splendors of the Rain Forest is a richly illustrated site dedicated to tropical plants, focusing on orchids, bromeliads, tillandsias, cacti, and succulents native to the Americas. Featuring exotic photo galleries, cultural guides, and links to major plant societies worldwide, it serves as an enthusiast's showcase for rain forest horticulture.
https://rainbowspec.observer/
RainbowSpec is an in-depth yet beginner-friendly educational site exploring how rainbows and color work, covering everything from the visible spectrum and refraction to supernumerary rainbows, fogbows, glories, and thin film interference. The site is thoughtfully organized with starred pages marking foundational concepts, and it links to classic atmospheric optics references that inspired its creation.