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://qsl.net/kd5fjm
The Dyess AFB Amateur Radio Club (DARC), callsign KD5FJM, is the official ham radio club for Dyess Air Force Base in Texas, featuring links to club news, member lists, station info, SKYWARN severe weather resources, and AF MARS connections. The site reflects a club in transition, actively seeking new leadership to revitalize its activities among amateur radio operators in the Dyess area.
http://www.actonastro.com/
ActonAstro is a hobbyist astronomy site built by a California stargazer who went from a beginner 60mm refractor to a full backyard observatory with a Celestron 9.25-inch scope. Visitors will find astrophotography galleries, equipment reviews, polar alignment guides, and personal weather station data, all rooted in a genuine passion for the night sky.
https://qsl.net/rz1ak/mail.html
The personal ham radio page of RZ1AK, a Russian amateur radio operator, featuring information on how to send letters and QSL cards to Russia. Hosted on the classic QSL.net network, this page offers a glimpse into the international correspondence culture of the ham radio community.
https://content.lib.washington.edu/salmonweb
Curated by the University of Washington Libraries Special Collections Division, this digital archive spans 1890 to 1961 and brings together photographs, documents, and original materials tracing the history of salmon fishing and the roots of the Pacific Northwest salmon crisis. Visitors can browse topics ranging from Native American fishing practices and salmon canneries to hatcheries and the Columbia River salmon industry.
http://iki.rssi.ru/mars96/mars96hp.html
An official scientific summary of the ill-fated Mars-96 mission, a Russian robotic spacecraft that failed to reach Mars after a rocket malfunction in November 1996 sent it back into Earth's atmosphere. Published by the Space Research Institute and edited by Dr. A. Zakharov, the site covers the mission's scientific goals, orbiter payload, small surface stations, and penetrator instruments in detailed technical depth.
https://wxlog.com/
Stephen's Storm Log is a personal storm chasing diary cataloging hundreds of tornado, supercell, and severe weather chase events dating back to 1997, organized by SPC risk level and year. With decades of documented chases across the American South and Plains, this is a remarkable long-running record of one chaser's adventures tracking some of the most intense storms on record.
https://hexkit.com/
Ron Mott (W4RDM) runs HexKit.com, a small operation fabricating baseplate kits, hubs, and components for homebrew Hex Wire Beam, Moxon, and Spiderbeam amateur radio antennas. Over 1,700 homebrew hex beam builds have used HexKit baseplates worldwide, making this a well-regarded niche resource for DIY antenna builders.
https://pierplates.com/
Dan's Pier Top Plates is a small business site selling custom mounting hardware for backyard telescopes, including pier top plate systems, DIY telescope enclosures, and adapters for metal piers. Hobbyist astronomers looking to build a permanent concrete or metal telescope pier for a home observatory will find products, FAQs, and installation guides here.
https://npl.washington.edu/AV/av_index_sub.html
John G. Cramer's subject index collects his long-running 'Alternate View' column from Analog Science Fiction & Fact Magazine, organizing hundreds of short essays on cutting-edge science into topics like quantum mechanics, cosmology, wormholes, and space drives. Running from 1984 to the present, this archive is a remarkable resource for hard SF readers and writers who want rigorous, accessible science writing from a working physicist.
https://do1mj.de/
Marc, callsign DO1MJ, documents his amateur radio journey after earning his license in January 2022, with a strong focus on SOTA (Summits on the Air) activations across Germany, Slovenia, and beyond. Posts cover field equipment, Yaesu radio tips, mountain hikes combined with radio activations, and practical techniques for lightweight portable operating.