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://ai5.mx/
Michael Burkhardt (AI5MX) runs this personal ham radio blog covering gear reviews, operating logs, QSL cards, Morse code adventures, and FCC news. Visitors will find mirrored Mastodon microposts, downloadable resources, and a genuine indie-web spirit connecting the amateur radio community.
http://users.netonecom.net/~swordman/Radio/unun.htm
Doug's page details the hands-on construction and testing of an impedance-matching transformer (Unun) for connecting a 350-foot long-wire antenna to a shortwave receiver. Complete with photos of the wound toroid core, schematic references, and bandscanning results comparing performance with and without the transformer, it's a practical reference for anyone building receiving antenna accessories.
http://foxdelta.com/
Fox Delta, operated by K7SFN, I2TZK, and VU2FD, is a direct-sales kit shop and project resource for amateur radio enthusiasts, offering RF amplifiers, SWR meters, antenna rotator software, and more. The site features a range of active and previous hardware kits including the PA-100 IRF510 RF amplifier and ST2 USB interface, all sold exclusively through this site with no third-party dealers.
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.
https://uky.edu/OtherOrgs/KPS
The Kentucky Paleontological Society maintains this hub for fossil enthusiasts in the Bluegrass State, featuring field trip reports, taxonomic fossil photo galleries, and an impressive library of digitized historical geology texts dating back to the 1860s. From Ordovician trilobites to tetrapod trackways, the site covers Kentucky's rich fossil record with resources for both amateur collectors and researchers.
https://amateurfunk.de/
Jürgen Mayer (DL8MA) maintains this German amateur radio page covering emergency communications, AREDN mesh networking, LoRa/LoRaWAN IoT, and QO-100 satellite operations. The site also connects to the Notfunkreferat for the Württemberg district, making it a hub for regional ham radio emergency preparedness.
http://trx-manager.com/
TRX-Manager, created by Laurent F6DEX, is a CAT control, DXing, and logging software package supporting nearly 150 transceivers including models from Yaesu, Kenwood, Icom, and Elecraft. Though distribution has been discontinued, the site still provides updates for registered users and bilingual support in both English and French.
https://www.stormchase.us/
Matt Ver Steeg of WeatherEdge, Inc. documents his storm chasing adventures across Iowa and tornado alley, offering a photo gallery, tornado pictures, weather research, and live weather data tools. Packed with radar links, satellite imagery, severe weather outlooks, and personal field reports, this site is a solid resource for both hobbyist storm chasers and weather enthusiasts.
https://www.qsl.net/sra
The Sierra Radio Association's former web presence, now redirecting visitors to their new home at k6sra.org. This amateur radio club page serves as a forwarding notice for members and ham radio enthusiasts looking to connect with the organization.
http://fbdd-lit.blogspot.com/
Molecular Design is a scientific blog exploring the manipulation of molecular properties to control the behavior of compounds and materials, written by contributors including Mel Peter Kenny. Posts blend technical drug discovery topics like Hit to Lead optimization with personal observations from Trinidad and the UK, giving the site a distinctive voice that mixes rigorous science with vivid storytelling.