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://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.
https://semarc.org/
SEMARC (South East Metro Amateur Radio Club) is a 501(c)(3) amateur radio club based in Cottage Grove, Minnesota, active since 1988 and affiliated with the ARRL. The site covers club meetings, volunteer examiner testing sessions, public service events, emergency communications, and membership information for ham radio enthusiasts in the Twin Cities metro area.
https://www.qsl.net/vu2msy/LINKS.htm
Compiled by Sandeep Baruah (VU2MSY/VU2MUE), this page catalogs over 200 ham radio links spanning Indian amateur radio clubs, international organizations like IARU and ARRL, digital communication software, antenna resources, and QRP homebrewing sites. It offers a particularly strong focus on the Indian amateur radio community, including regional clubs in Bangalore, New Delhi, and Gujarat, making it a useful snapshot of the early-2000s ham radio web.
https://radiojove.gsfc.nasa.gov/library/newsletters/2008Dec
The December 2008 issue of The JOVE Bulletin covers NASA's Radio JOVE Project, a program enabling students and educators to build simple radio telescopes and observe solar and planetary radio emissions. Highlights include field reports of Jupiter radio storm observations, a gallery of radio spectrograms, and news about Radio-SkyPipe 2 software for amateur radio astronomy.
https://ucares.org/
UCARES is the Utah County Amateur Radio Emergency Service, a volunteer group of licensed ham radio operators dedicated to providing emergency communications when conventional infrastructure fails. The site covers membership, nets, repeaters, certification, and public service events for hams in Utah County serving their community during disasters and emergencies.
http://rgbrown.org/
Robert G. Brown, a physicist at Duke University, shares an extensive collection of free online textbooks, physics study materials, poetry collections, philosophy essays, and beowulf cluster computing resources. The site is a sprawling intellectual hub covering everything from GPL software tools to metaphysics, all freely licensed under an open public license.
https://qth.com/sos
The Sultans of Shwing is the group page for ham radio operators Mike K9NW, Chad WE9V, and Scott KA9FOX, centered around their legendary annual parties at the Dayton Hamvention stretching back to 1995. The site features years of party photos, links to contesting and DX resources, and the irreverent humor of the ham radio contest community.
https://lwca.net/
The Longwave Club of America (LWCA) is a dedicated organization serving enthusiasts of radio frequencies below 500 kilohertz, covering LF, VLF, MedFER, HiFER, and Part 15 experimental beacons. Members receive 'The Lowdown,' a bimonthly publication dating back to 1974, featuring DX loggings, homebrew antenna projects, natural radio phenomena, and news from operators around the world.
http://www.dmx512.com/
DMX512.com is a technical reference hub dedicated to entertainment technology, covering stage lighting, audio, communications, MIDI, show control, and power systems for theatre production. Named after the DMX512 lighting control protocol, the site organizes resources across multiple categories including net resources, reference materials, and even accident reports relevant to technical theatre professionals.
https://drisc.io/
Drisc.io is a personal blog and journal by a tech-minded creator who covers topics ranging from space exploration (KSC visits, Crew-12) to Apple ecosystem projects like iPadtop setups and a menu bar app called Peak Streak. The mix of journal entries, blog posts, and a wiki makes it a compact but genuine slice of one person's geeky interests and creative projects.