LEDs

Fancy streetlights save a lot of energy but steal your sleep

LED streetlights sound like a great idea. But there's a hitch.

Grow better veggies with LED lights

It's a SAD lamp, but for tomatoes.

San Francisco is turning the Bay Bridge into a giant LED light show

The annual electricity bill for the project will be an estimated $11,000. That's a lot of electricity -- but just imagine how much higher that bill would be if those 25,000 bulbs were incandescents.

Scientists make LEDs 55 percent more efficient by copying from fireflies

Turns out, fireflies and LEDs have to overcome a similar problem.

IKEA plans to sell only LED light bulbs

Because IKEA is so fricking ubiquitous, this is actually a big deal.

Levitating LED light bulb could easily be the coolest thing in your house

The internet is full of makers, creating homebrewed technology out of stuff they have lying around, but every so often someone makes a thing that I can totally see as the centerpiece of tomorrow’s science-fiction way of life. For instance, this levitating LED bulb.

Wooden light bulb is the most magical-looking LED bulb we’ve seen

There are all kinds of futuristic-looking energy-efficient light bulbs on the market — not just the traditional piggy-tail model, but liquid-cooled bulbs that look like glass jellyfish, and bulbs with gills like a mushroom or fins like a Cadillac. But for our money, this wooden bulb by artist Ryosuke Fukusada is the most beautiful energy-efficient […]

Times Square ball-drop switches to LEDs

Despite Republicans' efforts to equate efficient lighting with tyranny, the age of incandescent bulbs will be officially over as of Jan. 1. The best indication of this switch-over is not any one piece of legislation coming out of Washington, but a totally symbolic move:  When the Times Square balls drops at midnight on New Year's […]

Energy-saving LED light bulbs fuel this insane light display

Okay, it's no Dancing Dror, but this is a pretty amazing Halloween light display done primarily with LED bulbs. Switching to LEDs can cut your holiday lighting energy expenditure by 90 percent, according to DOE (though they're just talking about a Christmas tree, not a full-front singing house display), and widespread use of LEDs for everyday […]