We always enjoy videos from the [Mathologer], but we especially liked the recent video on the Helicone, a toy with a surprising connection to mathematics. The toy is cool all …read more (https://hackaday.com/2025/01/07/the-helicone-toy-or-mathematical-oddity/)

Gaze Upon This Omni-directional Treadmill’s Clever LEGO Construction
https://hackaday.com/2025/01/07/gaze-upon-this-omni-directional-treadmills-clever-lego-construction/

Want to see some wildly skillful LEGO construction? Check out [Banana Gear Studios]’ omni-directional treadmill which showcases not only how such a thing works, but demonstrates some pretty impressive problem …read more (https://hackaday.com/2025/01/07/gaze-upon-this-omni-directional-treadmills-clever-lego-construction/)

Bending Light, Bending Time: A DIY Polarizer Clock
https://hackaday.com/2025/01/07/bending-light-bending-time-a-diy-polarizer-clock/

Imagine a clock where the colors aren’t from LEDs but a physics phenomenon – polarization. That’s just what [Mosivers], a physicist and electronics enthusiast, has done with the Polarizer Clock. …read more (https://hackaday.com/2025/01/07/bending-light-bending-time-a-diy-polarizer-clock/)

Regular (Expression) Chess
https://hackaday.com/2025/01/07/regular-expression-chess/

[Nicholas Carlini] found some extra time on his hands over the holiday, so he decide to do something with “entirely no purpose.” The result: 84,688 regular expressions that can play …read more (https://hackaday.com/2025/01/07/regular-expression-chess/)

Toot-B-Gone, With The FartMaster 3000
https://hackaday.com/2025/01/07/toot-b-gone-with-the-fartmaster-3000/

Face it, we’ve all been there, in a crowded workshop building something, and horror of horrors, things are going to get a little… windy. Do you try to drop it …read more (https://hackaday.com/2025/01/07/toot-b-gone-with-the-fartmaster-3000/)

Making Sure Your Patch Cables Are Ready for RF Work
https://hackaday.com/2025/01/08/making-sure-your-patch-cables-are-ready-for-rf-work/

How do you know that your patch cables are good? For simple jumper wires, a multimeter is about all you need to know for sure. But things can get weird …read more (https://hackaday.com/2025/01/08/making-sure-your-patch-cables-are-ready-for-rf-work/)

Remotely Controlled Vehicles Over Starlink
https://hackaday.com/2025/01/08/remotely-controlled-vehicles-over-starlink/

Modern remote control (RC) radios are capable of incredible range, but they’re still only made for line-of-sight use. What if you want to control a vehicle that’s 100s of kilometers …read more (https://hackaday.com/2025/01/08/remotely-controlled-vehicles-over-starlink/)

Tech In Plain Sight: Security Envelopes
https://hackaday.com/2025/01/08/tech-in-plain-sight-security-envelopes/