Our hacker [Valve Child] wrote in to let us know about his Back to the Future lunchbox cyberdeck. Great Scott! This is so awesome. We’re not sure what we should …read more (https://hackaday.com/2025/06/10/back-to-the-future-lunchbox-cyberdeck/)

Threaded Insert Press is 100% 3D Printed
https://hackaday.com/2025/06/11/threaded-insert-press-is-100-3d-printed/

Sometimes, when making a 3D printed object, plastic just isn’t enough. Probably the most common addition to our prints is the ubiquitous brass threaded inset, which has proven its worth …read more (https://hackaday.com/2025/06/11/threaded-insert-press-is-100-3d-printed/)

Bipolar Uranium Extraction from Seawater with Ultra-Low Cell Voltage
https://hackaday.com/2025/06/11/bipolar-uranium-extraction-from-seawater-with-ultra-low-cell-voltage/

As common as uranium is in the ground around us, the world’s oceans contain a thousand times more uranium (~4.5 billion tons) than can be mined today. This makes extracting …read more (https://hackaday.com/2025/06/11/bipolar-uranium-extraction-from-seawater-with-ultra-low-cell-voltage/)

Reconductoring: Building Tomorrow’s Grid Today
https://hackaday.com/2025/06/11/reconductoring-building-tomorrows-grid-today/

What happens when you build the largest machine in the world, but it’s still not big enough? That’s the situation the North American transmission system, the grid that connects power …read more (https://hackaday.com/2025/06/11/reconductoring-building-tomorrows-grid-today/)

This Relay Computer Has Magnetic Tape Storage
https://hackaday.com/2025/06/11/this-relay-computer-has-magnetic-tape-storage/

Magnetic tape storage is something many of us will associate with 8-bit microcomputers or 1960s mainframe computers, but it still has a place in the modern data center for long-term …read more (https://hackaday.com/2025/06/11/this-relay-computer-has-magnetic-tape-storage/)

Step Into Combat Robotics with Project SVRN!
https://hackaday.com/2025/06/11/step-into-combat-robotics-with-project-svrn/

We all love combat robotics for its creative problem solving; trying to fit drivetrains and weapon systems in a small and light package is never as simple as it appears …read more (https://hackaday.com/2025/06/11/step-into-combat-robotics-with-project-svrn/)

DIY Calibration Target for Electron Microscopes
https://hackaday.com/2025/06/12/diy-calibration-target-for-electron-microscopes/

It’s a problem that few of us will ever face, but if you ever have to calibrate your scanning electron microscope, you’ll need a resolution target with a high contrast …read more (https://hackaday.com/2025/06/12/diy-calibration-target-for-electron-microscopes/)

Open Source CAD in the Browser
https://hackaday.com/2025/06/12/open-source-cad-in-the-browser/