NOAA Solar Calculator
Find Sunrise, Sunset, Solar Noon and Solar Position for Any Place on Earth
W3C Markup validator
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc
Antipodes Map
You may have heard this when you were a kid, that if you dig a deep enough hole, and get out on the other side of the globe, you’ll be in China. Well, what if you already are in China? This map shows you.
Radio Garden
Interact with a globe filled with dots, each representing a radio station, from big (open) stations, to small local radios, all on the net.
Fireside Chats (F. Roosevelt) | The American Presidency Project
The fireside chats were a series of 31 evening radio addresses given by Franklin D. Roosevelt between 1933 and 1944.
Song.Link / ODESLI.co
Do you have Spotify and want to share a song or album with someone that has Apple Music, (or vice versa, or maybe another service)? With ODESLI you can do so.
Common symbols quick-finder
Sam Rose has made this webpage to make it easy for you to find commonly used symbols that aren’t on your keyboart.
H/T: David Johnson
Cults: Live at Spin House 2011
A great performance of Cults (YouTube playlist)
Yogisms - The Yogi Berra Museum
Depending on your personal sense of humour, this may be funny. 😊
Atmospheric fluctuations
Look at animated wind and precipitation maps, and more.
Calculate distance and bearing between two Latitude/Longitude points using haversine formula in JavaScript
This page presents a variety of calculations for latiÂtude/longiÂtude points, with the formulas and code fragments for implementing them.
By Chris Veness
Autofill: What web devs should know, but don’t – Cloud Four
Many people know that you can scan your credit card in Mobile Safari. But how many web developers know how to create a form that supports that feature? Not many I’d bet.
This is an old article, but still relevant for the problem that is missing or wrong field names.
Product Feedback - Apple
Most of the time the easiest way for you, as a user of Apple products and services, to give feedback, is via their Feedback forms.
GNU Radio
GNU Radio is a free & open-source software development toolkit that provides signal processing blocks to implement software radios. It can be used with readily-available low-cost external RF hardware to create software-defined radios, or without hardware in a simulation-like environment. It is widely used in research, industry, academia, government, and hobbyist environments to support both wireless communications research and real-world radio systems.
MIT OpenCourseWare | Free Online Course Materials
Free lecture notes, exams, and videos from MIT. - No registration required.
How to join, or form a Union
In many countries May 1 is Labour Day. Why not use the observance to learn how you can join or form a Union.
Create a bootable installer for macOS - Apple Support
You can use a USB flash drive or other secondary volume as a startup disk from which to install the Mac operating system.
7 Benefits of Temporary Habits | Psychology Today
Picking up and dropping habits can be beneficial, not a habit failure.
Wallpapers by Matthew Birchler
Lots of nice ones for your devices
Music for Programming
H/T: Jacoby Young
Indie Microblogging
- A book by Micro.Blog’s Manton Reece.
Johnny.Decimal - Emerging from the Abyss - kiko.io
How I got my digital chaos organised by Kristof Zerbe
H/T: Eric Gregorich
Wallpapers by Louie Mantia
Downloadable wallpapers for your devices.
Plus Codes & What3Words
Plus Codes are created with a simple code system derived from latitude and longitude, so they’re much shorter and easier to use than traditional global coordinates.
What 3 Words use another way of specifying a location; By using three predifined words. It is localised into the registered language, so it might differ from language to language.
H/T: Miraz Jordan
OpenStreetMap
Open source maps, maintained by volunteers.