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://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.
https://m0pqa.com/
Pablo (M0PQA) runs this technical amateur radio blog covering hands-on projects like firmware recovery, AllStar node modifications, APRS gateways, and packet radio on Raspberry Pi. The posts are detailed and practical, making it a valuable reference for hams tackling real-world station challenges.
https://stansweather.net/chase-logs
Stan Olson's storm chasing archive covers decades of severe weather pursuits across Illinois, Indiana, Oklahoma, and beyond, with individual chase logs dating back to 1999. Each entry chronicles a specific storm chase event, including notable encounters like a tornado near Elmwood IL and a high-risk chase in North Central Oklahoma, making it a compelling firsthand record of Midwest storm chasing.
https://observers.org/
The SF Bay Area Astronomy Connection (TAC) is an informal network for amateur astronomers across the greater San Francisco Bay Area, connecting observers without the formality of dues, officers, or bylaws. The site features an extensive list of observing sites throughout the region, curated observing lists, equipment guides, and resources for both beginners and seasoned stargazers.
https://oasi.org.uk/
The Orwell Astronomical Society Ipswich (OASI) is a UK-based astronomy club centered at the historic Orwell Park Observatory in Suffolk, welcoming everyone from casual stargazers to dedicated amateurs with specialist observing and telescope-building skills. The site features upcoming lecture events and Zoom talks, member observing reports, a newsletter archive, comet guides, and a rotating gallery of impressive astrophotography captured by members.
http://www2.rdrop.com/users/billmc
Bill McFadden's eclectic homepage covers a surprisingly deep range of radio-related interests, from pirate radio station KHOG and FCC licensing FAQs to scanner frequencies, shortwave charts, and wireless microphone regulations. Alongside the radio content, visitors will find loudspeaker design resources, audio editing scripts for Cool Edit Pro, and home automation links, making it a genuine hobbyist's workbench online.
http://thearac.org/
The Arrowhead Radio Amateurs Club (ARAC, W0GKP) is one of the oldest ham radio clubs in the region, founded in 1929 to promote amateur radio in northeastern Minnesota and northwestern Wisconsin. The site offers club meeting details, repeater information, Skywarn weather monitoring links, education and testing session resources, and membership information for the Duluth-Superior Twinports area.
http://nationalcurvebank.org/
The National Curve Bank is a mathematical archive dedicated to cataloging and exploring curves, offering detailed information on their properties, equations, and historical significance. A sister site to the Witch of Agnesi page, this project serves as an educational reference for students, educators, and math enthusiasts interested in the geometry of curves.
https://solar.lowtechmagazine.com/
Low-tech Magazine is a solar-powered publication that challenges high-tech assumptions by exploring low-energy, sustainable, and often obsolete technologies as practical alternatives to modern power-hungry solutions. Visitors will find detailed DIY guides for solar-powered appliances, historical analyses of pre-industrial techniques, and thought-provoking essays on energy, heating, cooking, and sustainable living.
https://www.qsl.net/kc4gzx/kc4gzx/index.htm
KC4GZX is a ham radio enthusiast's site packed with homebrew DIY projects covering antennas, amplifiers, filters, transmitters, receivers, and test equipment. It also serves as a regional resource for Northeast Georgia amateur radio operators, featuring ham directories, repeater listings for multiple southeastern states, and hamfest schedules.