Making a blue LED was once thought impossible. Unlike red or green, producing blue light required a semiconductor with a much larger energy band gap. For decades, the right material didn’t exist—or at ...

Strictly speaking, a Theremin uses a pair of antennae that act as capacitors in a specific R/C circuit. Looking at [aritrakdebnath2003]’s MIDI THEREMIN, we see it works differently, but it does play ...

Photoshop CC 2017 tutorial showing how to create the look of a huge display sign of retro, LED lights of text and graphics like you may have seen in the past of enormous screens in sports arenas and ...

Not to sound like a TV commercial or anything, but … how often have you had to throw out white shirts because of unsightly yellow underarm stains? Well, those stains may not be a problem any longer, ...

Corals may lack eyes, but they are far from blind. These delicate animals sense light in ways that continue to amaze and inspire the scientific community. Researchers from Osaka Metropolitan ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Megan Wollerton Following a new round of testing, we’ve added the GE Cync Full ...

Smart LED light bulbs are one of the easiest ways to upgrade your home with smart lighting solutions that are both practical and fun. These color-changing bulbs let you customize your space with ...

Red light therapy has long been used to reduce inflammation and improve skin texture. Thanks to modern technology, you don’t have to book a dermatologist appointment to get the treatment—LED masks ...

UVC LEDs open up a wide range of everyday applications: from environmentally friendly drinking water treatment ( pictured ...

Inspired by his grandparents, who were apple farmers in China, Charlie Wu got the idea to apply technology to agriculture while studying computer science at Cornell University, a top agriculture ...

Audit your home for energy leaks, tweak usage habits and install efficient appliances and fixtures to reduce your electric bill. Many, or all, of the products featured on this page are from our ...