Master woodworker Matthias Wandel made this demonstration safe lock. He sells the plans for $7 here.
How a safe lock works
Here's an unboxing, teardown, and review of the new $80 Raspberry Pi 400 computer
The Raspberry Pi 400 is an $80 all-in-one keyboard computer. Plug it into a monitor and you've got a decent Linux computer. In this video, Howchoo unboxes one, puts it together and tears it down. These little computers are pretty amazing! READ THE REST
Dr. Frank-n-Furter and his faithful handyman, Riff Raff, unveil the new Adabox Halloween edition
Adabox is the subscription box of microcontrollers and add-on boards, electronics, and other cool goodies that our friends at Adafruit Industries curate each quarter. The latest release, Adabox 16, is their Halloween edition. This edition is centered on their MatrixPortal M4 CircuitPython-powered RGB internet matrix controller board and a 64 x 32 RGB matrix display.… READ THE REST
Bubblegrams: lasers that engrave below an object's surface
Vitrography is the formal name for laser engraving a figure below the surface of a piece of glass or plastic. But most people call them bubblegrams. The laser pulses as programmed, kind of like a gamma knife that can do tissue ablation within the brain or other organ. The end result is quite nice! Image:… READ THE REST
Become a machine learning aficionado with this training bundle
In the past few days, the U.S. Air Force rolled out new tools fueled by machine learning to help stem the spread of misinformation about COVID. Additionally, the Library of Congress has launched a project on how to use machine learning to better cross-reference all 170 million items in its overflowing archives. Every day, we… READ THE REST
This portable USB charger can get an Apple Watch back to full power on the go
The Apple Watch is a great addition to any tech arsenal–until it runs out of juice, that is. Then, you have to go about the process of recharging. Of course, the Apple Watch only recharges via wireless charging, meaning it can sometimes end up being pretty inconvenient to power up, especially if you're out and… READ THE REST
28 essential items you'll need to survive this winter
We've probably all been holding our breath about this for a while. And now that it's here, we can start getting used to the idea that this winter will be unlike any before it. With COVID's impact on the holidays, we're all expecting some big changes this time around. However, Mother Nature isn't really all… READ THE REST