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://www.qsl.net/kb4kvt/index.htm
KB4KVT is a personal amateur radio homepage featuring the callsign of a licensed ham operator, with imagery of an Eimac 4-1000 transmitting tube hinting at high-power RF interests. The site serves as a landing page for a ham radio enthusiast, likely covering equipment, operations, or related technical topics.
http://srim.org/
James Ziegler's authoritative site hosts SRIM and TRIM, widely used scientific software packages that calculate the stopping and range of ions in matter for research and engineering applications. The site includes downloadable software, textbooks, tutorials, a historical review spanning 100 years of ion stopping research, and resources covering topics from cosmic ray soft errors to neutron damage.
https://ifmarc.org/
IFMARC is the official web presence of the Independence FM Amateur Radio Club based in Independence, Missouri, home of the 147.09+ repeater carrying the call sign of late club member Marcell Kurbin (W0TOJ). The site lists club officers, meeting details at St. Mark's United Methodist Church, and contact information for joining the club's email list.
https://copaseticflow.blogspot.com/
Copasetic Flow is a technically rich blog blending amateur radio operations with hands-on software experiments, covering topics like POTA activations, antenna comparisons, QSO logging, and ionogram analysis. The author also documents AI and programming experiments with tools like ChatGPT, Codex CLI, and the Whisper API, making it a fascinating intersection of ham radio and modern tech tinkering.
https://qsl.net/ik1hgi/atv.htm
A personal amateur radio page from Italian ham operator IK1HGI, covering ATV (amateur television) and low-frequency 472kHz QRP operation. The site touches on antennas, dipoles, and radio towers, offering a glimpse into the operator's station and technical interests.
https://uvminerals.org/minerals/gallery
The Fluorescent Mineral Society hosts a stunning photo gallery showcasing minerals from around the world photographed under shortwave, midwave, and longwave ultraviolet light, revealing their glowing colors. Specimens from famous localities like the Franklin and Sterling Hill mines in New Jersey, Tsumeb in Namibia, and sites across China, Australia, and Brazil are featured with photographer credits and mineral identification.
https://meteor.iastate.edu/~jdduda/chasing/chasing.html
Jeff Duda's storm chasing log spans a decade of tornado pursuits across the Great Plains and Midwest, with lifetime stats including 71 tornadoes witnessed across 111 total chases and over 52,000 miles driven. Each year links to detailed chase accounts, making it a compelling personal record of one dedicated chaser's adventures in severe weather.
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.
http://backbayastro.org/
The Back Bay Amateur Astronomers (BBAA) is a non-profit astronomy club serving the Hampton Roads, Virginia area, dedicated to public outreach and bringing stargazing to the community since 1978. The site offers event calendars, observing programs, a photo gallery, telescope donation info, scholarships, and archives of newsletters and eclipse coverage.
https://mm4rk3t.neocities.org/
A minimalist personal page from a creator known as mm4rk3t, built around a Latin aphorism about stars being visible only at night and the sleepless nights that make mathematicians and astronomers. The sparse, cryptic aesthetic and classical quotation give the site an enigmatic, philosophical quality that hints at interests in astronomy and mathematics.