https://hackaday.io/project/184794-countersunk-screws-with-lazers
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/04/7035691649606792226-featured.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/04/7035691649606792226-featured.jpg?w=800">Here’s a fun quick hack from [Timo Birnschein] about using the 3D laser engraving (or ‘stamp’ engraving) mode of certain laser cutter toolchains to create a handy countersink shape in …read more (https://hackaday.com/2022/04/11/quick-hacks-countersinking-screw-heads-with-3d-laser-engraving/)

Blood Pressure Cuff Hacked into Water Level Sensor
https://hackaday.com/2022/04/11/blood-pressure-cuff-hacked-into-water-level-sensor/

We often write a post and then learn something new and cool from the comments. The same thing happened when [Andreas] posted a video about monitoring fluid levels. Commenters told …read more (https://hackaday.com/2022/04/11/blood-pressure-cuff-hacked-into-water-level-sensor/)

Glow In The Dark Computer Memory Illuminates The Fundamentals
https://hackaday.com/2022/04/11/glow-in-the-dark-computer-memory-illuminates-the-fundamentals/

Computer memory has taken on many forms over the years, from mercury-based delay-line tubes to handwoven magnetic core. These days, volatile storage using semiconductors has become ubiquitous with computing, but …read more (https://hackaday.com/2022/04/11/glow-in-the-dark-computer-memory-illuminates-the-fundamentals/)

Trenton Computer Festival Makes YouTube Debut
https://hackaday.com/2022/04/11/trenton-computer-festival-makes-youtube-debut/

While it doesn’t have the recognition of DEF CON or even HOPE, the Trenton Computer Festival (TCF) holds the record for the longest continually running computer convention, dating all the …read more (https://hackaday.com/2022/04/11/trenton-computer-festival-makes-youtube-debut/)

This Chariot Is Pulled By A Team Of Motorcycles
https://hackaday.com/2022/04/11/this-chariot-is-pulled-by-a-team-of-motorcycles/

We’re fans of unusual forms of transport here, so when we saw an article featuring a home-made motorcycle chariot we knew we had to share it with you. You’ll probably …read more (https://hackaday.com/2022/04/11/this-chariot-is-pulled-by-a-team-of-motorcycles/)

A V2 Rocket Inspired Steam Turbine Skateboard Is Just Around The Corner
https://hackaday.com/2022/04/12/a-v2-rocket-inspired-steam-turbine-skateboard-is-just-around-the-corner/

https://www.youtube.com/watch?v=A1H2mFEsbNk
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/04/Snap-2022-04-10-at-22.09.35.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/04/Snap-2022-04-10-at-22.09.35.png?w=800">[Integza] never fails to amuse with his numerous (and sometimes really sketchy) attempts to create usable thrust, by pretty much all means possible and the latest video (embedded below) attempting …read more (https://hackaday.com/2022/04/12/a-v2-rocket-inspired-steam-turbine-skateboard-is-just-around-the-corner/)

Warm Up Your Extruders, RepRap Festivals Are Back
https://hackaday.com/2022/04/12/warm-up-your-extruders-reprap-festivals-are-back/

Like pretty much every other large gathering, the Midwest and East Coast RepRap Festivals had to be put on hold during the height of the COVID-19 pandemic. But now that …read more (https://hackaday.com/2022/04/12/warm-up-your-extruders-reprap-festivals-are-back/)