Collaborate Disseminate
Your garden variety motion detector uses IR, but these days, there are fancier technologies for achieving similar goals. If so desired, you can source yourself a microwave-based presence sensor instead. …read more Continue reading Microwave Motion Detector Notifies Your Smart Phone
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 Continue reading You’ve Got All Year To Print This Marble Machine Ornament For Your Christmas Tree
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 Continue reading Reconstructing 3D Objects With a Tiny Distance Sensor
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 Continue reading Water Jets Will Carve Your Pumpkin
We like drinking out of glass. In many ways, it’s an ideal material for the job. It’s hard-wearing, and inert in most respects. It doesn’t interact with the beverages you …read more Continue reading The “Unbreakable” Beer Glasses Of East Germany
[Chris Borge] was doing some fine tapping operations, and wanted a better way to position his workpieces. This was critical to avoid breaking taps or damaging parts. To this end, …read more Continue reading Magnetic Vise Makes Positioning Your Workpiece Easier
Home Depot has at times sold a neat spiral lamp that relies on LEDs to supply its soothing white glow. When [Craig Lindley] saw some modified versions on YouTube he …read more Continue reading Home Depot Lamp Gets a Rainbow Upgrade
Air raid sirens have an important job to do, and have been a critical piece of public safety infrastructure in times of geopolitical turmoil. They sound quite unlike anything else, …read more Continue reading 3D Printed Air Raid Siren Sounds Just Like The Real Thing
You can use all kinds of numbers and rating systems to determine whether the air quality in a given room is good, bad, or somewhere in between. Or, like [Makestreme], …read more Continue reading Cute Face Tells You How Bad The Air Quality Is
The Nokia 3310 has a reputation of being one of the most indestructible devices ever crafted by humanity. It’s also woefully out of date and only usable in a handful …read more Continue reading The Nokia 3310 Finally Gets A USB-C Upgrade