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://astronomyinyourhands.com/
Created by Chris Hilder, Astronomy In Your Hands offers free hands-on astronomy activities for classrooms and home learners, including a well-known downloadable Star Wheel planisphere for identifying stars with minimal equipment. The site earned the prestigious Griffith Observatory Star Award and provides low-tech, DIY-friendly resources suited for kids, students, and teachers alike.
http://atm-workshop.com/
John D. Upton's comprehensive resource for amateur telescope makers (ATMs) covers tips, techniques, and projects spanning optics grinding, metalworking, woodworking, electronics, and astrophotography. Built over two decades of hands-on experience, the site documents the rewarding crossover hobby of crafting your own telescopes and specialized astronomy accessories from scratch.
https://www.qsl.net/k9jx
The Jacksonville Amateur Radio Society (JARS) of Jacksonville, Illinois maintains this club homepage featuring repeater frequencies, officer listings, and an extensive archive of their bi-monthly newsletter 'The Bandspread' dating back to 1995. A not-for-profit FCC-regulated organization, JARS hosts monthly meetings, operates two repeaters, and provides emergency communications support for the local community.
http://nsradio.org/
The North Shore Radio Association (NSRA) serves amateur radio operators in the Peabody and Danvers, Massachusetts area, coordinating weekly club nets on the 145.470MHz repeater and organizing VE licensing exam sessions. The site provides members with information on club meetings, ARES/Skywarn emergency communications, DMR digital radio, and public service activities.
https://perezmedia.net/ceruleanarc/storm-chase-sum.html
Jeremy Perez's Cerulean Arc is a detailed storm chasing blog featuring firsthand summaries of tornado intercepts and severe weather events across the American Southwest and Great Plains, stretching back to 2009. Each entry combines narrative field accounts with meteorological analysis, road network strategy, and storm photography, making it a compelling read for weather enthusiasts and chasers alike.
https://f6fbb.org/
F6FBB is the home of FBB, a well-known Packet-Radio BBS software used by amateur radio operators worldwide. The site serves as a resource hub for the FBB software project, covering packet radio bulletin board systems and related amateur radio digital communications.
https://flemingastrophotography.com/
Neil Fleming's astrophotography showcase specializes in deep-sky imaging using the Meade DSI CCD camera, capturing galaxies, nebulae, and star clusters. The site highlights work done with high-end equipment including an NP-127 refractor and NJP mount, making it a compelling destination for amateur astronomers interested in CCD imaging techniques.
https://marc-hq.org/
The Motorcycling Amateur Radio Club (MARC) is a community group that combines motorcycle riding with ham radio operation to support charity fundraising events like Bike MS rides in Southern California. The site includes a tech center, photo gallery, newsletters, event calendar, and membership information for riders and operators who want to combine their passions while giving back.
http://kusastro.kyoto-u.ac.jp/vsnet
VSNET is an international mailing list network based at Kyoto University dedicated to real-time alerts and collaborative observation of variable stars, cataclysmic variables, novae, supernovae, and X-ray binaries. Hosting decades of light curve archives from AFOEV observations and ongoing amateur-professional collaboration campaigns, it serves as a serious citizen science hub for variable star astronomy worldwide.
https://www.qsl.net/e2
Electronic Communications 2000 (E-2) is an amateur radio club founded by Jason Foster, now a member of the Foundation for Amateur Radio, with divisions covering topics like radio broadcasting. The site includes club officers, member listings, and news about the club's activities, including a column in the FAR publication AutoCall.