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://bugland.neocities.org/
Bugland is a Neocities site dedicated to insects and bugs, presenting a single striking image that hints at a nature-focused personal project. The minimal content suggests an early-stage site built around an enthusiasm for entomology and the tiny creatures of the natural world.
https://milwaukeeastro.org/
The Milwaukee Astronomical Society has maintained this richly detailed site for its membership, featuring multiple observatories, a deep archive of astrophotography spanning decades, and extensive beginner resources covering telescopes, stargazing tours, and celestial objects. With a historic club archive dating back to 1932, seasonal sky guides, variable star projects, and a member image showcase, this is a treasured hub for amateur astronomers in Wisconsin.
https://rrra.org/
Red River Radio Amateurs (RRRA) is the official website for an amateur radio club serving the Red River region, featuring club news, event calendars, repeater information, and resources for aspiring ham radio operators. The site covers POTA activations, net schedules, license testing, ARES meetings, and an active blog with technical posts from club members.
http://vk2zay.net/
Alan Yates (VK2ZAY) runs a sprawling electronics and amateur radio laboratory notebook covering homebrew circuits, microcontrollers, high voltage experiments, pyrotechnics, antennas, and much more. With over 260 articles, engineering calculators, and an annual Advent Calendar of Circuits series, this is a genuine treasure trove for hands-on electronics hobbyists.
http://jap.hu/electronic
Peter's DIY electronics hub showcases a range of original hardware projects including relay modules for Raspberry Pi and Arduino, PIC microcontroller circuits, remote control encoders, and an LCD thermometer. Each project comes with schematics and build guides, making this a great resource for hobbyist engineers looking for practical, hands-on circuit designs.
https://lcwo.net/
LCWO.net, created by Fabian Kurz (DJ5CW), is a comprehensive web-based platform for learning Morse code (CW) using the Koch method, with interactive exercises, progress tracking, and a global community of learners. The site features user highscores, forums, user groups, and multilingual support across dozens of languages, making it a go-to resource for ham radio operators worldwide.
https://hamradiouniversity.org/
Ham Radio University is an annual free educational event held on Long Island, New York, now in its 28th year, dedicated to spreading amateur radio knowledge through forums, presentations, and fellowship. The site serves as the official hub for event registration, past presentation archives, moderator bios, and news about upcoming HRU gatherings organized by the amateur radio community.
https://qsl.net/aa3rl/ant2.html
Mike Banz (AA3RL) breaks down the technical question of dipole antenna height with detailed radiation pattern analysis, helping amateur radio operators choose the right height for DX work, local nets, or directional operation. The page features multiple elevation pattern plots comparing dipole performance at various heights, making it a practical reference for hams planning their antenna installations.
https://weathercharts.org/
A comprehensive aggregator of meteorological charts covering the North Atlantic and Europe, pulling together synoptic analysis and forecast data from sources like UKMO, DWD, GFS, and FNMOC. Weather enthusiasts, sailors, and aviation buffs will find an extensive collection of MSLP charts, upper-air forecasts, wave height data, and model animations spanning up to 384 hours ahead.
https://www.dxzone.com/
DXZone is one of the oldest and largest directories for amateur radio operators on the internet, cataloging thousands of links across categories like antennas, DXing, software, operating modes, and radio equipment. Running since 1996, it also features news, contest information, DX pedition updates, and weekly curated roundups of the best ham radio websites.