The LED, or light-emitting diode, is very unlikely to fail, and if it does, it goes out slowly over the years. Instead, it's the other electrical bits in LED bulbs that fail and cut off the bulb's ...

The road to creating a blue LED was long and rough, but in 1993, it burst onto the scene. Learn about the struggles and ...

Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper wire, an LED, a 2N2222A transistor, and a 9V battery. This step-by-step ...

Artificial light has extended our days, but it is also quietly reshaping how our brains and hearts function at night. A growing body of research now links bright bedrooms, glowing streets and ...

Leave indoor holiday lights on for no more than six to eight hours at a time. A great rule of thumb is to turn them on when ...

Pigeons may sense Earth's magnetic field using special cells in the inner ear. This discovery explains how they navigate long ...

Key Takeaways Motion sensor lights can reduce home energy usage by 30% to 50% compared to traditional always-on lighting ...

TIME OF THE YEAR. TONIGHT, A BRIEFING FROM PITTSBURGH PUBLIC SAFETY ON LIGHT UP NIGHT. SOME OF THEIR UPDATES INCLUDE CHANGES TO THE HOLIDAY MARKET AND WHAT TO KNOW ABOUT STREET CLOSURES AND PARKING ...

It's Light Up Night weekend, marking the official start to the holiday season in Downtown Pittsburgh. Here's what to know about this year's holiday events. Three rounds of fireworks will go off ...

Kick off the Christmas season by visiting the Johnsonville Night Lights at Naples Botanical Garden starting Nov. 28. Celebrate winter in the tropics with this captivating and colorful light display, ...

The official start to the Pittsburgh holiday season is Saturday with the 64th annual Light Up Night. The festive series of events throughout Downtown Pittsburgh will be full of brightness, sparkle, ...

"Night Lights: Dazzling Gardens" will run Nov. 22 to Jan. 4 at New England Botanic Garden at Tower Hill in Boylston. The annual Night Lights drew a record 70,000 visitors last year. The event has made ...