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://mathres.kevius.com/art.html
Bruno Kevius has assembled an extensive link collection covering mathematical art, fractals, chaos theory, and geometry, featuring resources on M.C. Escher, polyhedra, cellular automata, and fractal software. With over 120 curated links spanning strange attractors, tessellations, origami, and geometric sculpture, this is a rich reference hub for anyone exploring the intersection of math and visual art.
https://qsl.net/hdxa
The Heartland DX Association is a ham radio club based in the heartland region, serving as the sponsor of the Nebraska QSO Party contest. This redirect page points visitors to their new website, offering a glimpse into the club's focus on DX operating and amateur radio contesting.
http://njqrp.org/
The New Jersey QRP Club is a community organization for amateur radio enthusiasts focused on low-power (QRP) radio operation and homebrew electronics projects. Visitors will find sprint contest results, homebrew project showcases, TeamSpeak design sessions, and resources for QRP builders in the New Jersey region.
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.
https://openphdguiding.org/phd2-log-viewer
PHD2 Guiding is the home of PHD2, a free and open-source autoguiding software used by astrophotographers to keep telescopes precisely locked on celestial targets. This page highlights a log file viewer tool developed by Andy Galasso, which helps users visualize guiding performance and diagnose tracking issues from their PHD2 guide logs.
http://drydredgers.org/
The Cincinnati Dry Dredgers claim the title of the oldest continuously-operating fossil club in North America, bringing together amateur geologists and fossil collectors in the Cincinnati area since their founding. The site features extensive fossil identification guides for trilobites, crinoids, echinoderms, brachiopods, and more, plus field trip photos, member activities, and resources for finding Ordovician-era fossils in the region.
https://kb3lyb.com/
KB3LYB is an amateur radio blog by a Pittsburgh-area ham documenting technical projects like setting up an Echolink node for the W3EXW repeater on 147.090MHz. The site includes detailed wiring diagrams, hardware bill-of-materials, and Raspberry Pi/SvxLink configuration notes useful to other hams attempting similar builds.
https://www.qsl.net/w2lj
The official home of the NJQRP Skeeter Hunt, an annual outdoor QRP radio operating event that challenges amateur radio operators to leave their shacks and make contacts in the field using home-brewed or kit-built equipment. Now in its 14th year, the site hosts scoreboards and soapbox comments dating back multiple years, making it a rich archive of this beloved low-power radio community tradition.
http://johnbetts-fineminerals.com/
John Betts built this extraordinary virtual mineral museum housing over 194,000 photographs of more than 63,000 mineral specimens from localities around the world. With educational articles, field trip guides, searchable species and locality databases, and decades of collector expertise behind it, this site is an unparalleled reference for mineralogy enthusiasts.
https://kd3cpy.neocities.org/
KD3CPY is a compact amateur radio personal page belonging to a Technician-licensed ham operating from grid square FN20kb. The site highlights the operator's callsign, QSL info, and participation in the Amateur Radio Inclusivity Pledge and the Fediverse.Radio web ring.