A Volumetric Display with a Star Wars Look and Feel
https://hackaday.com/2023/06/20/a-volumetric-display-with-a-star-wars-look-and-feel/

It may not exactly be what [Princess Leia] used to beg [Obi-Wan] for help, but this Star Wars-inspired volumetric display is still a pretty cool hack, and with plenty of …read more (https://hackaday.com/2023/06/20/a-volumetric-display-with-a-star-wars-look-and-feel/)

Modular Keyboard and Custom Game Controller
https://hackaday.com/2023/06/20/modular-keyboard-and-custom-game-controller/

Most video games, whether on console or PC, have standardized around either a keyboard and mouse or an analog controller of some sort, with very little differences between various offerings …read more (https://hackaday.com/2023/06/20/modular-keyboard-and-custom-game-controller/)

Blood Pressure Monitor for Under $1
https://hackaday.com/2023/06/20/blood-pressure-monitor-for-under-1/

Medical equipment is not generally known for being inexpensive, with various imaging systems usually weighing in at over a million dollars, and even relatively simpler pieces of technology like digital …read more (https://hackaday.com/2023/06/20/blood-pressure-monitor-for-under-1/)

Repairing a $25,000 HP Workstation to Run Pac-Man
https://hackaday.com/2023/06/20/repairing-a-25000-hp-workstation-to-run-pac-man/

The microcomputer revolution of the 1970s and 1980s turned computers from expensive machines aimed at professionals into consumer products found in the average household. But there always remained a market …read more (https://hackaday.com/2023/06/20/repairing-a-25000-hp-workstation-to-run-pac-man/)

How To Land A Model Rocket Vertically
https://hackaday.com/2023/06/21/how-to-land-a-model-rocket-vertically/

Perhaps most readers will remember when they saw the first SpaceX demonstration of a rocket stage landing vertically on the pad under control. It’s something of a shock to be …read more (https://hackaday.com/2023/06/21/how-to-land-a-model-rocket-vertically/)

Fuel Cell Turns PET and Carbon Dioxide into Useful Chemicals
https://hackaday.com/2023/06/21/fuel-cell-turns-pet-and-carbon-dioxide-into-useful-chemicals/

The University of Cambridge has a novel fuel cell design that can grab CO2 from the atmosphere or industrial processes and, combined with waste PET plastic, provides syngas and glycolic …read more (https://hackaday.com/2023/06/21/fuel-cell-turns-pet-and-carbon-dioxide-into-useful-chemicals/)

In Praise of RPN (with Python or C)
https://hackaday.com/2023/06/21/in-praise-of-rpn-with-python-or-c/