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A Deep Dive on Creepy Cameras <img width="800" height="500" src="image alt="A man holds a license plate in front of a black pickup (F-150 Lightning) tailgate. It is a novelty Georgia plate with the designation P00-5000. There are specks of black superimposed over the plate with a transparent sticker, giving it the appearance of digital mud in black."/>George Orwell might’ve predicted the surveillance state, but it’s still surprising how many entities took 1984 as a how-to manual instead of a cautionary tale. [Benn Jordan] decided to take
Camera and ChArUco Keep the Skew Out of Your 3D Prints <img width="800" height="450" src="image alt=""/>Do you or a loved one suffer from distorted 3D prints? Does your laser cutter produce parallelograms instead of rectangles? If so, you might be suffering from CNC skew miscalibration,
A Tool-changing 3D Printer For the Masses <img width="800" height="450" src="image alt="A preproduction U1 sitting on a workbench"/>Modern multi-material printers certainly have their advantages, but all that purging has a way to add up to oodles of waste. Tool-changing printers offer a way to do multi-material prints
RepRapMicron Promises Micro-fabrication for Desktops With New Prototype <img width="618" height="348" src="image alt=""/>3D printing has transformed how hobbyists fabricate things, but what additional doors would open if we could go even smaller? The µRepRap (RepRapMicron) project aims to bring fabrication at the
Ask Hackaday: Where Are All the Fuel Cells? <img width="800" height="484" src="image alt=""/>Given all the incredible technology developed or improved during the Apollo program, it’s impossible to pick out just one piece of hardware that made humanity’s first crewed landing on another
Hackaday Links: August 17, 2025 <img width="800" height="430" src="image alt="Hackaday Links Column Banner"/>We’ve studiously avoided any mention of our latest interstellar visitor, 3I/Atlas, on these pages, mainly because of all the hoopla in the popular press about how Avi Loeb thinks it’s
This Week in Security: Spilling Tea, Rooting AIs, and Accusing of Backdoors <img width="800" height="484" src="image alt=""/>The Tea app has had a rough week. It’s not an unfamiliar story: Unsecured Firebase databases were left exposed to the Internet without any authentication. What makes this story particularly
Engrave a Cylinder Without a Rotary Attachment? No Problem! <img width="800" height="449" src="image alt=""/>Laser-engraving a cylindrical object usually requires a rotary attachment, which is a motorized holder that rotates a cylindrical object in sync with the engraver. But [Samcraft] shows that engraving all
Reachy The Robot Gets a Mini (Kit) Version <img width="800" height="450" src="image alt=""/>Reachy Mini is a kit for a compact, open-source robot designed explicitly for AI experimentation and human interaction. The kit is available from Hugging Face, which is itself a repository
A Field Guide to the North American Cold Chain <img width="800" height="533" src="image alt=""/>So far in the “Field Guide” series, we’ve mainly looked at critical infrastructure systems that, while often blending into the scenery, are easily observable once you know where to look.