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://stormdude.com/stormchasing/stormchasing.html
Stormdude is a personal storm chasing site documenting decades of adventures across the Great Plains in pursuit of supercells, with photo journals spanning from 1998 through 2027. The site features a main gallery, top chase days highlights, humor pages, and lists of other storm chasers, making it a rich archive for weather enthusiasts.
https://enchantedlearning.com/subjects/astronomy/glossary/index.shtml
Zoom Astronomy from EnchantedLearning.com is a comprehensive astronomy glossary and educational reference covering terms from A to Z, with illustrated definitions of concepts like aberration of light, aphelion, asteroids, and more. Aimed at K-12 students and teachers, the site includes printables, worksheets, and detailed pages on the solar system, stars, comets, and notable astronomers.
http://inconstantmoon.com/
Inconstant Moon offers nightly multimedia tours of the lunar surface, complete with maps, photos, animations, and music to guide both beginners and experienced observers through the Moon's craters, seas, and phenomena. A Scientific American Sci/Tech Web Awards honoree and BBC Space featured site, it includes a Cyclopedia Selenica and Selenographia making it a comprehensive reference for lunar astronomy.
https://chemguide.co.uk/index.html
Chemguide, created by Jim Clark, is a comprehensive chemistry reference site aimed at helping students aged 14 through A-level understand topics ranging from atomic structure and bonding to organic reaction mechanisms and physical chemistry. Covering major UK exam syllabuses including GCSE, CIE Cambridge International, and Edexcel, it serves as an authoritative free study aid with deep topic coverage across all major chemistry disciplines.
http://tcrc.org/
The Twin Cities Repeater Club (TCRC) is a Minnesota-based amateur radio club centered around the 147.210 MHz repeater, which also serves as the primary frequency for South Metro Skywarn weather spotting. Visitors can find repeater information, club calendars, hamfest listings, VE exam resources, and weekly net schedules for Twin Cities-area ham radio enthusiasts.
http://worldclimate.com/
WorldClimate.com is a comprehensive database of historical weather averages for over 85,000 locations worldwide, offering rainfall, temperature, and precipitation records spanning decades. Travelers, researchers, and curious minds can look up climate normals for cities from Bangkok to Lima, making it a handy reference for trip planning, relocation decisions, or general weather curiosity.
https://eclipse.gsfc.nasa.gov/SEgoogle/SEgoogle2001/SE2017Aug21Tgoogle.html
Fred Espenak's NASA Eclipse Website hosts an interactive Google Maps tool showing the precise path of totality for the August 21, 2017 total solar eclipse, including central line, northern and southern limits, and 10-minute interval markers. Hosted by NASA's Goddard Space Flight Center, the page provides detailed data on greatest eclipse, greatest duration, lunar limb profiles, and eclipse weather resources.
https://qsl.net/ke4ish
KE4ISH is the personal ham radio page of a licensed operator in Liberty County, Georgia, with over 20 years of professional communications experience spanning the Army and telephone industry. The site covers his role as Assistant Emergency Coordinator, involvement with Georgia Army MARS, local club and repeater info, and participation in the Amateur Radio Webring.
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.
http://amwindow.org/
The AM Window is a dedicated hub for amateur radio operators interested in AM (amplitude modulation) operation, covering everything from audio and antenna tech to vintage equipment like Collins, Heathkit, and Johnson rigs. Visitors can explore video and audio clips, technical mods, tutorials, net frequencies, and stories from the AM operator community.