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://astroimages.com/
George Greaney's dedicated astrophotography site showcases deep sky astronomical images captured using both CCD and film techniques from his Ash Meadows Observatory in Nevada. Visitors can explore galleries of images taken with a Ritchey-Chretien 14.5-inch telescope, along with detailed sections on equipment, image processing software, and darkroom techniques for enhanced color astrophotography.
https://greensboroastronomyclub.org/
The Greensboro Astronomy Club is a North Carolina-based group dedicated to making astronomy accessible to the public through regular meetings, observing sessions, and educational events. The site highlights upcoming meetings at venues like the Greensboro Science Center, member achievements, and the club's advocacy for preserving astronomy programs at local universities.
http://charlieselectronics.com/
Charlie's Electronics is the home base of AB5U, a Dallas-area ham radio operator running multiple UHF and VHF repeaters across the Dallas-Rowlett-Garland region. The site covers amateur radio topics, two-way radio repair services, off-grid power and cooling for field operations, and practical electronics tips.
https://nccc.cc/
The Northern California Contest Club (NCCC) is an ARRL-affiliated amateur radio club founded in 1970, with over 300 active members dedicated to competitive radio contesting, DXing, and antenna construction. The club boasts an impressive record of contest wins including 17 ARRL Sweepstakes unlimited club competition victories and has been running the California QSO Party since 1974.
https://m0pqa.com/
Pablo (M0PQA) runs this technical amateur radio blog covering hands-on projects like firmware recovery, AllStar node modifications, APRS gateways, and packet radio on Raspberry Pi. The posts are detailed and practical, making it a valuable reference for hams tackling real-world station challenges.
https://w9smc.com/
The Society of Midwest Contesters (SMC) is a club uniting amateur radio operators across the Midwest who compete in radio contesting events, with resources covering membership, awards programs, VHF contesting, and call area records. The site features a championship medals leaderboard, annual SMC Fest gathering details, contest calendars, and a contesting library making it a hub for competitive ham radio operators in the region.
https://assa.org.au/
The Astronomical Society of South Australia (ASSA) is an active community organization offering public and member viewing nights, monthly meetings, and astronomy resources for all skill levels. The site features a rich collection of guides covering astrophotography, comets, variable stars, Aboriginal astronomy, and solar system events, plus details on observing sites like Stockport Observatory.
http://chebucto.ns.ca/~aa063
Mike Boschat's astronomy page celebrates 60 years of stargazing from Halifax, Nova Scotia, covering lunar, solar, meteor, and noctilucent cloud observations with an impressive collection of Soviet-made telescopes and binoculars. The site includes astro images, SOHO discoveries, links to clear sky clocks, light pollution maps, and a vast collection of astronomy resources alongside the author's work with the Aeronet Sunphotometer at Dalhousie University.
https://qsl.net/see
The Society of Ether Explorers (K6SEE) is a San Francisco amateur radio club of experimenters, hackers, and tinkerers focused on esoteric and unusual aspects of wireless communication. Their site documents club members, ongoing projects like the 33cm repeater conversion effort (Project 33), ATV repeating, and remote base control builds from the late 1990s.
https://arandomsite.neocities.org/
Ariu is a high school junior from Indiana whose personal site documents a remarkable range of pursuits, from Drosophila genetics research and healthcare legislation advocacy to an AI tool for school nurses. The site serves as a living digital portfolio of someone genuinely engaged in science, medicine, and civic life at a young age.