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://webmineral.com/danaclass.shtml
Webmineral presents a comprehensive classification of mineral species based on Dana's New Mineralogy, organizing over 78 mineral classes from Native Elements to Unclassified Silicates. This detailed reference resource covers the full spectrum of mineralogy including sulfides, oxides, halides, carbonates, and silicates, making it an invaluable tool for geologists, mineralogists, and earth science enthusiasts.
https://batc.org.uk/
The British Amateur Television Club (BATC) is the world's largest organization dedicated to Amateur Television (ATV), covering everything from digital TV transmission and microwave amplifiers to live video streaming and vintage camera restoration. Members enjoy access to a forum, wiki, YouTube channel, technical handbooks, contests, and an annual UK convention bringing together ATV enthusiasts from around the globe.
https://thies-times.com/storms/storm.html
Richard Thies of Dellwood, Missouri documents over two decades of amateur storm chasing, with yearly archives of tornado and severe weather encounters dating back to 2001. The site features photos, stories, and video footage of memorable tornado events across the Great Plains and Midwest, catalogued by county, state, and Fujita scale rating.
http://neofoundation.org/astrolabe
The Astrolabe Astronomy Club is a local amateur astronomy club based in Wheeling, WV, offering information on membership, meetings, and events for stargazing enthusiasts. Created by Pat Plunkett, this early-2000s club site serves as a community hub for sky watchers in the West Virginia area.
http://dxing.info/introduction.dx
DXing.info, created by Mika Mäkeläinen, is a comprehensive guide to the hobby of DXing, the practice of listening to distant and foreign radio stations far outside their normal coverage areas. The site covers equipment, propagation, a DX glossary, expedition logs from countries like Australia, Finland, and South Africa, and audio samples of rare distant broadcasts.
https://faraday.physics.utoronto.ca/GeneralInterest/Harrison/Flash
Created by a University of Toronto physicist, this collection features 99 Flash animations covering topics from Quantum Mechanics and Relativity to Chaos and Fluid Mechanics, making abstract physics concepts visually intuitive. A bonus tutorial teaches how to build your own physics animations in Flash, and the animations are available in multiple languages under a Creative Commons license.
https://stormdig.com/
StormDig is storm chaser James Hammett's personal site documenting over 15 years of severe weather pursuits, featuring detailed storm accounts of tornadoes, supercells, and hail events dating back to 2003. Visitors can explore chase maps, video footage, equipment specs, an aurora monitor, and a glossary, making it a richly detailed record of one dedicated chaser's adventures.
![This Dynamic Earth--Contents [USGS]](/screenshots/15975.webp)
https://pubs.usgs.gov/gip/dynamic/dynamic.html
Published by the U.S. Geological Survey, this online edition of 'This Dynamic Earth' offers a comprehensive exploration of plate tectonics, from historical perspectives to modern understanding of mantle plumes and unanswered geoscientific questions. Written by W. Jacquelyne Kious and Robert I. Tilling, it covers the full text of the original 1996 print book and links to interactive companion resources including maps of volcanoes, earthquakes, and crustal movements.
http://sprg.ssl.berkeley.edu/shine/suntoday.html
Hosted at UC Berkeley's Space Sciences Laboratory, this page aggregates the latest solar images and interplanetary data from observatories and missions worldwide, including SOHO, STEREO, SDO, Big Bear, and Mauna Loa. Researchers and solar enthusiasts can browse visible light, H-alpha, extreme ultraviolet, X-ray, and magnetogram imagery alongside real-time solar wind and particle data from ACE and WIND spacecraft.
https://www.qsl.net/harc-az
The Hassayampa Amateur Radio Club (HARC) of Arizona maintains this QSL.net-hosted hub for local ham radio operators in the region. Visitors can find club information, meeting details, and resources connecting amateur radio enthusiasts in the Arizona area.