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://coral.shoes/
Xenia (coral) is an electrical engineering student and licensed ham radio operator (SA6NYA) at Chalmers University who shares her photography, programming experiments, and radio hobby on this personal site. Highlights include a film photography album, clever JavaScript-free web experiments, a brainfuck calculator, and a self-built interactive Morse code trainer she made while learning CW.
https://winsystem.org/
The WIN System is a linked amateur radio repeater network based around the KA6WIN reflector, connecting operators across multiple nodes via IRLP and ALLStar technology. The site offers operating tips, member rosters, net schedules, FAQs on repeater use and antenna selection, and information on joining the network or becoming an affiliate.
https://autostakkert.com/
AutoStakkert! is free lucky imaging software created by Emil Kraaikamp for automatically analyzing, aligning, and stacking planetary and solar images captured through a telescope via high-speed video. The site offers downloads of multiple software versions (AS!2 through AS!4), sample images of Jupiter, Mars, and the Moon, and guides demonstrating how the stacking algorithm dramatically sharpens noisy astrophotography footage.
https://futuretimeline.net/beyond.htm
FutureTimeline.net is an ambitious speculative reference site that maps out predictions for humanity and the universe across centuries, millennia, and beyond, covering topics from AI and nanotechnology to the far future of the cosmos. Organized as a detailed chronological timeline with supporting blogs, data trends, and artwork, it offers a sweeping vision of where science and civilization may be headed.
https://clarc.org/
The Clear Lake Amateur Radio Club (CLARC), operating under callsign K5HOU, has served the Clear Lake, Texas area since 1987 as an ARRL Special Service Club. Visitors can find information about weekly nets on the club's repeaters, licensing exams, Hamster Classes, and community communications support for public events.
http://mesoscale.ws/
Eric Nguyen's personal meteorology site documents his storm chasing experiences, tornado photography, and forecasting work as a University of Oklahoma School of Meteorology graduate. The site features storm documentation reports, dramatic weather photography including tornadic supercells, and serves as a lasting tribute to Eric, who passed away in 2007.
https://www.qsl.net/mvarg
The Mystic Valley Amateur Radio Group is a club based in eastern Massachusetts that meets monthly at Tufts University in Medford, welcoming anyone interested in the amateur radio hobby. The site lists club officers, repeater information, and a variety of ham radio links including ARRL resources, emergency management contacts, and local net listings.
https://crawford.tardigrade.net/journal/index.html
Rod Crawford's Spider Collector's Journal chronicles decades of arachnid collecting expeditions from 1986 through the present, including trips to the Russian Kuril Islands and Sakhalin Island. The site features year-by-year narrative accounts, photo albums, and detailed documentation of tools and techniques used in scientific spider collection.
http://rudius.net/oz2m/taclog
OZ2M's TACLog is a dedicated page for amateur radio contest logging software, likely developed by the Danish ham radio operator behind the OZ2M callsign. Visitors interested in contest operating and logging tools for amateur radio will find this a focused technical resource.
http://monitoringtimes.com/html/mttopHF.html
Monitoring Times presents a curated list of over 1000 active HF frequencies compiled by Larry Van Horn (N5FPW), covering military, marine, government, and civil air patrol communications worldwide. A valuable reference for shortwave listeners and scanner enthusiasts, the list spans frequencies from 2 MHz to nearly 30 MHz with detailed mode and geographic information.