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://cwp.library.ucla.edu/
Hosted by UCLA, this scholarly archive documents the original scientific contributions of 83 eminent women physicists who worked before 1976, drawing on primary sources including the papers in which their discoveries were first reported. Visitors can explore an annotated photo gallery, historical essays, a searchable database, and firsthand accounts spanning fields from nuclear physics to space physics.
https://hamradiouniversity.org/
Ham Radio University is an annual free educational event held on Long Island, New York, now in its 28th year, dedicated to spreading amateur radio knowledge through forums, presentations, and fellowship. The site serves as the official hub for event registration, past presentation archives, moderator bios, and news about upcoming HRU gatherings organized by the amateur radio community.
http://astrophoto.com/
Tony and Daphne Hallas present their astrophotography and general photography work at this long-running site dedicated to capturing the night sky. The site appears to be a showcase of their astronomical and nature photography, though the current version shows minimal content and an unusual casino sponsorship note.
https://dbbear.com/k0emt
K0EMT is a well-stocked amateur radio resource from a Missouri ham covering antenna projects, kit building, QRP portable operation, Morse code learning, and POTA activations. Visitors will find detailed build logs, operating aids, equipment tips, and software projects spanning everything from EFHW transformers to DXSpot interfaces.
https://hharc.org/
The Huber Heights Amateur Radio Club (HHARC), operating under call sign NO8I, is a welcoming Ohio-based club that supports two local repeaters and hosts monthly meetings for licensed and unlicensed radio enthusiasts alike. The site provides repeater frequencies, D-Star and AllStar node info, area nets, license testing resources, and links to ARRL and Ohio Section resources.
https://ei7gl.blogspot.com/
John, EI7GL, runs this detailed amateur radio diary chronicling propagation experiments, solar cycle activity, and DX contacts across a wide range of frequency bands from Medium Wave to Microwaves. With thousands of labeled posts covering callsigns from around the world, solar flux data, and band opening reports, it is an invaluable log for radio enthusiasts following HF and VHF propagation conditions.
https://pages.astro.umd.edu/~mcmiller/nstar.html
Professor M. Coleman Miller of the University of Maryland shares an in-depth educational resource on neutron stars, covering topics from formation and internal structure to pulsars, X-ray bursters, and gamma-ray bursts. The page blends academic rigor with accessible writing, including links to pedagogical reviews, Q&A sections, and visual aids that make complex astrophysics approachable.
https://smara.com/
The Schenectady Museum Amateur Radio Association (SMARA) operates the W2IR station at the Schenectady Museum of Innovation and Science, bringing hands-on radio experiences to the public. The site features club meeting schedules, Field Day event galleries, repeater information, contest calendars, and outreach programs like ARRL Kids Day.
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://meteor.geol.iastate.edu/~jdduda/chasing/chasing.html
Jeff Duda, a geology student turned meteorology researcher, chronicles a decade of storm chasing with detailed chase accounts, busts, and lifetime statistics including 71 tornadoes over 111 chases and 52,000+ miles. Each year from 2008 to 2017 has its own dedicated page, making this a substantial firsthand log of severe weather pursuit across the Great Plains and Midwest.