LED

Royal Philips

Notre Dame Cathedral Just Got an LED Makeover

Can one of the world's most famous historic churches hold up to modern-day lighting?

Javier Lloret

This 6-Floor Building Is Now a Giant Rubik's Cube

A tricky puzzle just got much harder. 

zeze57/Flickr

The Fight Over Berlin's Charming Street Lights

The city wants to replace its century-old gas lamps with LEDs, but preservationists are crying foul.

Hammerhead

Gadget of the Day: A Bike Navigator That Keeps Your Eyes on the Road

The Hammerhead straps onto your handlebars, using bright LEDs to point you in the right direction.

How LEDs Have Transformed the City Skyline

Illuminated nightscapes are a new worldwide arena, where global cities will compete for recognition.

John Metcalfe

The Bay Lights Finally Turn On, and the Results Are Fantastic

For the next two years, San Francisco will get to stare at a shimmering, ever-changing galaxy of lights on the Bay Bridge.

Shutterstock

The Suburban Ripple Effect of Sustainable Cities

When major cities embrace climate and energy initiatives, the communities around them inevitably follow.

Tokyo Hotaru Festival

Tokyo's Solar-Powered 'Fireflies'

The city's Hotaru festival uses LED bulbs designed to mimic the light of the insects that once “gemmed” the Sumida River.