Thousands gather each evening in Milan to watch a sound-and-light show at the Olympic cauldron inspired by Leonardo da Vinci’s geometric studies.

The Los Angeles city staff installed solar-powered lights in Lincoln Heights and Cypress Park to keep the neighborhoods ...

Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide demonstrates assembling an LED-diode cluster, connecting it to a capacitor for ...

During this dark season, building an oasis of warm, life-affirming light in your home is extra important — which is something ...

Learn how to make a simple hand-cranked power generator from scratch using basic materials like DC motors, a wooden base, an ...