Small internal combustion engines usually keep things simple, relying on carburetors to handle metering the correct amount of fuel and air. Recently, [Carlos Takeshita] decided his small engine could use …read more (https://hackaday.com/2026/05/18/small-engine-gets-diy-efi-upgrade/)

How To Make Steel That Breathes
https://hackaday.com/2026/05/18/how-to-make-steel-that-breathes/

There are plenty of porous materials out there that we’re all readily familiar with. Fabrics and wood are great examples, allowing liquids or gases to pass through to a certain …read more (https://hackaday.com/2026/05/18/how-to-make-steel-that-breathes/)

Long-Range Night Vision with an Infrared Laser
https://hackaday.com/2026/05/18/long-range-night-vision-with-an-infrared-laser/

Most consumer-grade night vision devices are basically a standard camera without the usual filter to block near infrared (NIR) light, which are then paired with a NIR light source that’s …read more (https://hackaday.com/2026/05/18/long-range-night-vision-with-an-infrared-laser/)

Voltmeter Clock Has The Time Dialled In
https://hackaday.com/2026/05/18/voltmeter-clock-has-the-time-dialled-in/

You could make a clock with three hands spinning about nested central shafts. If you did that, we probably wouldn’t publish it on Hackaday unless you really found a way …read more (https://hackaday.com/2026/05/18/voltmeter-clock-has-the-time-dialled-in/)

Electroplating 3D Prints Without Requiring a Big Vat
https://hackaday.com/2026/05/18/electroplating-3d-prints-without-requiring-a-big-vat/

Electroplating 3D prints is a good way to get a pretty nice coating on even a basic PLA part, but generally you’re expected to dunk the entire part into a …read more (https://hackaday.com/2026/05/18/electroplating-3d-prints-without-requiring-a-big-vat/)

Prolog Via Pokémon
https://hackaday.com/2026/05/18/prolog-via-pokemon/

Like many people who read Hackaday, we are fairly fluent in a number of computer languages, but we have to admit it is easier to pick up languages that look …read more (https://hackaday.com/2026/05/18/prolog-via-pokemon/)

Digital Organizer Given Modern Upgrade
https://hackaday.com/2026/05/18/digital-organizer-given-modern-upgrade/

Remember digital organizers? They were like the lower-spec version of a PDA that couldn’t really do much more than store a few phone numbers and calendar entries. [TundraLegendZ] recently grabbed …read more (https://hackaday.com/2026/05/18/digital-organizer-given-modern-upgrade/)

Remembering the Tech We Lost With a Virtual Graveyard
https://hackaday.com/2026/05/19/remembering-the-tech-we-lost-with-a-virtual-graveyard/