One of the more promising 3D printing technologies that hasn’t quite yet had its spotlight is volumetric 3D printing. Researchers from the Department of Automation, Tsinghua University, have developed a …read more (https://hackaday.com/2026/02/25/sub-second-volumetric-3d-printing/)

What One-Winged Squids Can Teach The Airship Renaissance
https://hackaday.com/2026/02/25/what-one-winged-squids-can-teach-the-airship-renaissance/

It’s a blustery January day outside Lakehurst, New Jersey. The East Coast of North America is experiencing its worst weather in decades, and all civilian aircraft have been grounded the …read more (https://hackaday.com/2026/02/25/what-one-winged-squids-can-teach-the-airship-renaissance/)

Control Your Smart With Trek-Inspired Comm Badge
https://hackaday.com/2026/02/25/control-your-smart-with-trek-inspired-comm-badge/

One thing some people hate about voice control is that you need to have a process always running, listening for the wake word. If your system isn’t totally locally-hosted, that …read more (https://hackaday.com/2026/02/25/control-your-smart-with-trek-inspired-comm-badge/)

Building An Interactive Climbing Wall
https://hackaday.com/2026/02/25/building-an-interactive-climbing-wall/

Climbing is a cool sport. With that said, like everything, it’s even better if you integrate lots of glowing colorful LEDs. To that end, [Superbender] worked up this fun climbing …read more (https://hackaday.com/2026/02/25/building-an-interactive-climbing-wall/)

Stop Ironing 3D Prints
https://hackaday.com/2026/02/25/stop-ironing-3d-prints/

If you want smooth top surfaces on your 3D printed parts, a common technique is to turn on ironing in your slicer. This causes the head to drag through the …read more (https://hackaday.com/2026/02/25/stop-ironing-3d-prints/)

Random Number Generator Uses Camera Noise
https://hackaday.com/2026/02/25/random-number-generator-uses-camera-noise/

Random numbers are very important to us in this computer age, being used for all sorts of security and cryptographic tasks. [Theory to Thing] recently built a device to generate …read more (https://hackaday.com/2026/02/25/random-number-generator-uses-camera-noise/)

Adding a Panadapter to a Classic Receiver
https://hackaday.com/2026/02/25/adding-a-panadapter-to-a-classic-receiver/

There was a time when only the richest ham radio operators could have a radio with a panadapter. Back in the day, this was basically a spectrum analyzer that monitored …read more (https://hackaday.com/2026/02/25/adding-a-panadapter-to-a-classic-receiver/)