Air engines are a common occurrence here on Hackaday. They’re relatively novel and reasonably easy to 3D print without requiring any fluids or supporting machinery. For example, [Tom Stanton] took …read more (https://hackaday.com/2022/03/28/gravity-water-air-powered-engine/)

Retro Portable Computer Packs Printer For the Trip
https://hackaday.com/2022/03/28/retro-portable-computer-packs-printer-for-the-trip/

Looking like it dropped out of an alternate reality version of the 1980s, the Joopyter Personal Terminal is a 3D printed portable computer that includes everything you need for life …read more (https://hackaday.com/2022/03/28/retro-portable-computer-packs-printer-for-the-trip/)

Old Boat Becomes Toasty Floating Sauna
https://hackaday.com/2022/03/28/old-boat-becomes-toasty-floating-sauna/

A sauna is a great place to feel warm and toasty and refreshed, but few of us have one at home. [Linus Strothmann] decided to build his own, using an …read more (https://hackaday.com/2022/03/28/old-boat-becomes-toasty-floating-sauna/)

PDP-11/34 Restoration And The Virtue Of Persistence
https://hackaday.com/2022/03/28/pdp-11-34-restoration-and-the-virtue-of-persistence/

The wildly successful PDP-11 minicomputer was a major influence on the evolution of computing throughout the 1970s. While fondly remembered in modern day emulation, there’s nothing like booting up the …read more (https://hackaday.com/2022/03/28/pdp-11-34-restoration-and-the-virtue-of-persistence/)

Raspberry Pi Creates Melody
https://hackaday.com/2022/03/28/raspberry-pi-creates-melody/

For those who are not into prog rock in the 70s or old radio shows from the 40s, the Theremin may be an unfamiliar musical instrument. As a purely electronic …read more (https://hackaday.com/2022/03/28/raspberry-pi-creates-melody/)

LEGO String Winder Hints At Greater Possibilities
https://hackaday.com/2022/03/29/lego-string-winder-hints-at-greater-possibilities/

Unless you’re an avid fan of 1997’s box office hit Mouse Hunt, or actively working in the string industry, you probably don’t spend a lot of time thinking about how those …read more (https://hackaday.com/2022/03/29/lego-string-winder-hints-at-greater-possibilities/)

Finally, the Venerable Vectrex Gets a Mini Makeover
https://hackaday.com/2022/03/29/finally-the-venerable-vectrex-gets-a-mini-makeover/

It appears that every great console is bound to get a miniature remake: we’ve had the PlayStation Classic, the Mini NES and SNES, and even a miniature Sega Genesis/Mega Drive. …read more (https://hackaday.com/2022/03/29/finally-the-venerable-vectrex-gets-a-mini-makeover/)