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/

Although 1999 might still feel like yesterday for some of us, in the world of technology the intervening years are practically an eternity. New websites, applications and devices pop up …read more (https://hackaday.com/2026/05/19/remembering-the-tech-we-lost-with-a-virtual-graveyard/)

How Search Engines Enabled Finding Needles in a WWW-Sized Haystack
https://hackaday.com/2026/05/19/how-search-engines-enabled-finding-needles-in-a-www-sized-haystack/

When the World Wide Web surged into existence during the 1990s, we were introduced to the problem of how to actually find something in this ever-ballooning construction zone that easily …read more (https://hackaday.com/2026/05/19/how-search-engines-enabled-finding-needles-in-a-www-sized-haystack/)

Biofeedback Butterfly Beats With a Pulse
https://hackaday.com/2026/05/19/biofeedback-butterfly-beats-with-a-pulse/

Biofeedback is the idea of making one conscious of a biological process or feature, and then using this to try and exert control over the very same. [Mariia Hruntes] demonstrates …read more (https://hackaday.com/2026/05/19/biofeedback-butterfly-beats-with-a-pulse/)

How Pulse Oximetry Figures Out Your Blood Oxygen Levels
https://hackaday.com/2026/05/19/how-pulse-oximetry-figures-out-your-blood-oxygen-levels/

If you’ve ever had a medical team investigating cardiac issues, you’ve probably had a bunch of electrodes stuck all over your chest and been hooked up to an electrocardiogram. This …read more (https://hackaday.com/2026/05/19/how-pulse-oximetry-figures-out-your-blood-oxygen-levels/)

Recreating a Broken Laminated Wooden Furniture Part
https://hackaday.com/2026/05/19/recreating-a-broken-laminated-wooden-furniture-part/

Everyone loves those rather bouncy wooden lounge chairs that got popularized by a certain Swedish seller of furniture, but as tough as they are, the laminated wood can still break …read more (https://hackaday.com/2026/05/19/recreating-a-broken-laminated-wooden-furniture-part/)

Building a Pip Boy Themed Smartwatch
https://hackaday.com/2026/05/19/building-a-pip-boy-themed-smartwatch/