The US Military’s Unsecured UFO Satellites and Their Use By Russia
https://hackaday.com/2025/02/19/the-us-militarys-unsecured-ufo-satellites-and-their-use-by-russia/

Something that you generally don’t expect as a North-America-based enthusiast, is to listen in on Russian military communications during their war in Ukraine via WebSDR, or that these communications would …read more (https://hackaday.com/2025/02/19/the-us-militarys-unsecured-ufo-satellites-and-their-use-by-russia/)

Pulsed Deposition Points a Different Path to DIY Semiconductors
https://hackaday.com/2025/02/19/pulsed-deposition-points-a-different-path-to-diy-semiconductors/

While not impossible, replicating the machines and processes of a modern semiconductor fab is a pretty steep climb for the home gamer. Sure, we’ve seen it done, but nanoscale photolithography …read more (https://hackaday.com/2025/02/19/pulsed-deposition-points-a-different-path-to-diy-semiconductors/)

Add a Little WOPR to Your Server Rack
https://hackaday.com/2025/02/19/add-a-little-wopr-to-your-server-rack/

Like so many of us, [aforsberg] found themselves fascinated with the WOPR computer from WarGames — something about all those blinking LEDs must speak to nerds on some subconscious level. …read more (https://hackaday.com/2025/02/19/add-a-little-wopr-to-your-server-rack/)

Water Jets Will Carve Your Pumpkin
https://hackaday.com/2025/02/20/water-jets-will-carve-your-pumpkin/

Carving pumpkins by hand is hot, sweaty, messy work, and a great way to slice your way into a critical artery. Why not let a water jet do it for …read more (https://hackaday.com/2025/02/20/water-jets-will-carve-your-pumpkin/)

Reconstructing 3D Objects With a Tiny Distance Sensor
https://hackaday.com/2025/02/20/reconstructing-3d-objects-with-a-tiny-distance-sensor/

There are a whole bunch of different ways to create 3D scans of objects these days. Researchers at the [UW Graphics Lab] have demonstrated how to use a small, cheap …read more (https://hackaday.com/2025/02/20/reconstructing-3d-objects-with-a-tiny-distance-sensor/)

You’ve Got All Year To Print This Marble Machine Ornament For Your Christmas Tree
https://hackaday.com/2025/02/20/youve-got-all-year-to-print-this-marble-machine-ornament-for-your-christmas-tree/

Most Christmas ornaments just hang there and look pretty. [Sean Hodgins] decided to whip up something altogether fancier and more mechanical. It’s a real working marble machine that hangs from …read more (https://hackaday.com/2025/02/20/youve-got-all-year-to-print-this-marble-machine-ornament-for-your-christmas-tree/)

Microwave Motion Detector Notifies Your Smart Phone
https://hackaday.com/2025/02/20/microwave-motion-detector-notifies-your-smart-phone/