CU Boulder researchers have built high-performing optical microresonators, opening the door for new sensor technologies. At its simplest form, a microresonator is a tiny device that can trap light and ...

CU Boulder researchers have designed microscopic “racetracks” that trap and amplify light with exceptional efficiency. By using smooth curves inspired by highway engineering, they reduced energy loss ...

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or ...

Most modern cars have tire pressure monitoring systems (TPMS), which will alert you if your tires need air. While most of the readings they give are accurate, they can still fail like any other part ...

Want to claim cosmetic rewards and items for free in Disney Dreamlight Valley? This guide provides a complete list of all known available DDLV codes for free rewards, including codes for Inside Out 2, ...

We developed the 7-Hour Workout Week, detailed in our book Train Smart, Run Forever, to help runners increase the likelihood that they will log miles well past their 50s. As athletes, coaches, and ...

We've tested and reviewed both free and paid-for antivirus software. We bombarded each one with tens of thousands of threats to see how well it can cope against viruses, ransomware and phishing ...

Abstract: This system presents the design and implementation of a password-based door lock system integrated with LED light control for enhanced security. The proposed system allows password entry ...