I wanted to understand the advantages of LED lighting over traditional options, and it turns out there's more to it than just ...

Bad lighting sets the wrong vibe, but these smart bulbs let you switch colors, dim the lights, and set the mood, all for less ...

Their replacement equivalents, compact fluorescent lightbulbs and light-emitting diode bulbs, are bright, use 75 to 80 percent less energy, and can save you $60 to $125 dollars per bulb in energy ...

Everyone knows that one of the coolest things to do with a Tesla coil is to light up neon or fluorescent tubes at a distance. It’s an easy and very visual way to conceptualize how much energy is ...

When the lights go out, you're in the market for a bulb replacement. But if choosing between CFLs, halogen or LEDs leaves you in the dark, our guides will separate the fact from the hype for each type ...

The team tested the battery prototype with cesium-137 and cobalt-60, common radioactive byproducts of nuclear reactors. Using ...

Before you begin, always switch off the light at the wall switch or circuit breaker to avoid any electrical hazards. If the ...

Liam Denning is a Bloomberg Opinion columnist covering energy. A former banker, he edited the Wall Street Journal’s Heard on the Street column and wrote the Financial Times’s Lex column.