Research results from Innsbruck, Schwabmünchen, and Düsseldorf demonstrate how the most widely used green phosphors in commercial LEDs can be replaced by representatives of an entirely new class of ...

LED masks seem to be the “it” skin care device of the moment. In general, they’ve been shown to stimulate skin’s collagen and elastin production using specific wavelengths of light, which correlate to ...

Sure, we may have constant access to AI chatbots on our smartphones, sitting accessibly in our pockets, lessening the need for a dedicated portable device. But what if I told you that rather than ...

A Raspberry Pi Zero 2 W, in a case, placed on a table with a camera module beside it. - Raspberry Pi/YouTube A Raspberry Pi is probably the last thing you'd think to bring on a trip, especially when ...

A Raspberry Pi–powered NHL scoreboard using a 64x32 HUB75 LED matrix. This project displays live NHL scores with team colors and logos and includes support for a favorite team hype screen. WHAT THIS ...

UGREEN is expanding its power bank offerings with a new model called the MagFlow 2-in-1 MagSafe. As the name suggests, the battery pack is MagSafe certified and can also be used as a charging dock for ...

What just happened? Engineers at the University of California, Santa Cruz, have developed a method for measuring heart rates that requires no wristband, smartwatch, or medical device. Instead, the ...

Computer Science and Engineering Ph.D. student Nayan Bhatia demonstrates Pulse-Fi, technology that uses WiFi signals to measure a person's heart rate. Heart rate is one of the most basic and important ...

This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and make it a warning light for a forklift or even a turn signal light for a ...

We developed a hybrid copper–iodide compound called CuI(Hda). It emits deep-blue light at about 449 nanometres and has an almost-perfect photoluminescence quantum yield — a measure of emission ...