Redbox was a company with a moderately interesting business model—it let you rent DVDs from automated kiosks. It’s an idea so simple it’s almost surprising it didn’t appear sooner. Only, …read more (https://hackaday.com/2025/02/01/redbox-in-the-80s-meet-the-vhs-vending-behemoth/)

Taking A $15 Casio F91W 5,000 Meters Underwater
https://hackaday.com/2025/02/01/taking-a-15-casio-f91w-5000-meters-underwater/

When considering our favorite spy movies and kin that involve deep-sea diving, we’d generally expect to see some high-end watch that costs thousands of dollars and is specially engineered to …read more (https://hackaday.com/2025/02/01/taking-a-15-casio-f91w-5000-meters-underwater/)

Could Non-Planar Infill Improve The Strength Of Your 3D Prints?
https://hackaday.com/2025/02/01/could-non-planar-infill-improve-the-strength-of-your-3d-prints/

When you’re spitting out G-Code for a 3D print, you can pick all kinds of infill settings. You can choose the pattern, and the percentage… but the vast majority of …read more (https://hackaday.com/2025/02/01/could-non-planar-infill-improve-the-strength-of-your-3d-prints/)

Using Microwave Heating to Locally Anneal CNT-Coated FDM Prints
https://hackaday.com/2025/02/01/using-microwave-heating-to-locally-anneal-cnt-coated-fdm-prints/

Layer adhesion is one of the weak points with FDM 3D printing, with annealing often recommended as a post-processing step. An interestingly creative method for this was published in Science Advances …read more (https://hackaday.com/2025/02/01/using-microwave-heating-to-locally-anneal-cnt-coated-fdm-prints/)

Inside a Vintage Oven Controlled Crystal Oscillator
https://hackaday.com/2025/02/01/inside-a-vintage-oven-controlled-crystal-oscillator/

Crystal oscillators are incredibly useful components, but they come with one little snag: their oscillation is temperature-dependent. For many applications the relatively small deviation is not a problem, but especially …read more (https://hackaday.com/2025/02/01/inside-a-vintage-oven-controlled-crystal-oscillator/)

Tiny RC Four-Wheeler Gets Chassis Upgrade For More Traction
https://hackaday.com/2025/02/02/tiny-rc-four-wheeler-gets-chassis-upgrade-for-more-traction/

[Azpaca] purchased a fun little toy car from Tamiya, only… there was a problem. The little off-roader wasn’t up to scratch—despite its four-wheel-drive, it couldn’t get over rough ground to …read more (https://hackaday.com/2025/02/02/tiny-rc-four-wheeler-gets-chassis-upgrade-for-more-traction/)

Custom Smartwatch Makes Diabetes Monitoring Easier for Kids
https://hackaday.com/2025/02/02/custom-smartwatch-makes-diabetes-monitoring-easier-for-kids/

Living with Type 1 diabetes is a numbers game. There’s not a moment in the day free from the burden of tracking your blood glucose concentration, making “What’s your number?” …read more (https://hackaday.com/2025/02/02/custom-smartwatch-makes-diabetes-monitoring-easier-for-kids/)

Wearable Tech Tips Directly From the Queen
https://hackaday.com/2025/02/02/wearable-tech-tips-directly-from-the-queen/