[Joshua Clay] recently unveiled his newest RC Nerf Dart Robot and talks through his design choices, pointing out that in his aim to have it launch darts fast and hard …read more (https://hackaday.com/2026/02/27/evolved-nerf-rc-tank-now-leaves-welts/)

NaCl Casting Technique Really Earns Its Salt
https://hackaday.com/2026/02/28/nacl-casting-technique-really-earns-its-salt/

Sodium Chloride has a melting point of 801 C (1,474 F), putting it comfortably between commonly-cast materials like aluminum and bronze. Which led to [Robinson Foundry] asking the question: can …read more (https://hackaday.com/2026/02/28/nacl-casting-technique-really-earns-its-salt/)

3D Print This MRI Safe Torque Wrench If You’re Rich
https://hackaday.com/2026/02/28/3d-print-this-mri-safe-torque-wrench-if-youre-rich/

MRI machines come with a variety of safety warnings. Perhaps most importantly, you have to be very careful not to take ferrous metal objects anywhere near them, since strong magnetic …read more (https://hackaday.com/2026/02/28/3d-print-this-mri-safe-torque-wrench-if-youre-rich/)

The Joys of 3D Printing
https://hackaday.com/2026/02/28/the-joys-of-3d-printing/

Al and I were talking on the podcast today about a sweet 3D printed wide-format camera build, and we got to musing on why we 3D-print. For Al, it’s an …read more (https://hackaday.com/2026/02/28/the-joys-of-3d-printing/)

The Only Snail You Want In Your Garden Is a Seed-Starting Hack
https://hackaday.com/2026/02/28/the-only-snail-you-want-in-your-garden-is-a-seed-starting-hack/

As temperatures warm up in the Northern Hemisphere, one’s mind naturally turns to the outdoors and the garden — even if some of our gardens are still snow-covered. One secret …read more (https://hackaday.com/2026/02/28/the-only-snail-you-want-in-your-garden-is-a-seed-starting-hack/)

Running a Desktop PC off AA Alkaline Cells
https://hackaday.com/2026/02/28/running-a-desktop-pc-off-aa-alkaline-cells/

Everyone is probably familiar with the concept of battery-powered devices, but generally, this involves a laptop with a beefy battery pack and hardware optimized for low power draw. You could …read more (https://hackaday.com/2026/02/28/running-a-desktop-pc-off-aa-alkaline-cells/)