Are you a developer or experimenter pondering options for text entry in virtual or mixed reality? If that’s the case (or you’re merely curious) then here’s the resource you need: …read more (https://hackaday.com/2025/04/29/weird-and-wonderful-vr-mr-text-entry-methods-all-in-one-place/)

Hydrogen Trains: Not The Success Germany Hoped They Would Be
https://hackaday.com/2025/04/29/hydrogen-trains-not-the-success-germany-hoped-they-would-be/

As transport infrastructure in Europe moves toward a zero-carbon future, there remain a number of railway lines which have not been electrified. The question of replacing their diesel traction with …read more (https://hackaday.com/2025/04/29/hydrogen-trains-not-the-success-germany-hoped-they-would-be/)

Keebin’ with Kristina: the One with the Protractor Keyboard
https://hackaday.com/2025/04/29/keebin-with-kristina-the-one-with-the-protractor-keyboard/

Don’t you love it when the title track is the first one on the album? I had to single out this adjustable keyboard called the Protractor, because look at it! …read more (https://hackaday.com/2025/04/29/keebin-with-kristina-the-one-with-the-protractor-keyboard/)

Peeking at Poking Health Tech: the G7 and the Libre 3
https://hackaday.com/2025/04/29/peeking-at-poking-health-tech-the-g7-and-the-libre-3/

Continuous glucose meters (CGMs) aren’t just widgets for the wellness crowd. For many, CGMs are real-time feedback machines for the body, offering glucose trendlines that help people rethink how they …read more (https://hackaday.com/2025/04/29/peeking-at-poking-health-tech-the-g7-and-the-libre-3/)

The DIY 1982 Picture Phone
https://hackaday.com/2025/04/29/the-diy-1982-picture-phone/

If you’ve only been around for the Internet age, you may not realize that Hackaday is the successor of electronics magazines. In their heyday, magazines like Popular Electronics, Radio Electronics, …read more (https://hackaday.com/2025/04/29/the-diy-1982-picture-phone/)

There’s An Venusian Spacecraft Coming Our Way
https://hackaday.com/2025/04/29/theres-an-venusian-spacecraft-coming-our-way/

It’s not unusual for redundant satellites, rocket stages, or other spacecraft to re-enter the earth’s atmosphere. Usually they pass unnoticed or generate a spectacular light show, and very rarely a …read more (https://hackaday.com/2025/04/29/theres-an-venusian-spacecraft-coming-our-way/)

Crossing Commodore Signal Cables on Purpose
https://hackaday.com/2025/04/29/crossing-commodore-signal-cables-on-purpose/

On a Commodore 64, the computer is normally connected to a monitor with one composite video cable and to an audio device with a second, identical (although uniquely colored) cable. …read more (https://hackaday.com/2025/04/29/crossing-commodore-signal-cables-on-purpose/)