OLEDs: Too little, too late

OLEDs: Too little, too late

It's a mixed bag for organic light-emitting diodes. They're improving and prices are dropping, but LEDs will stay ahead of them until the next big thing comes along, according to a new research note.

Lighting rush is on in India

Lighting rush is on in India

A hundred new 'smart cities,' $1.2 billion, and a gung-ho Prime Minister Modi are all pulling in LED vendors who want to build the backbone of intelligent urban networks.

And now, natural light makes nurses laugh

And now, natural light makes nurses laugh

Earlier this week we wrote that office workers confined to spaces away from natural light are tired and weary compared to their colleagues by the window, as a U.S. study observed. 

Now, like the proverbial string of buses, another study has come right along revealing the same general effect and more: People who work near the window laugh more.

Nighttime light impedes cancer drug

Nighttime light impedes cancer drug

The latest twist in the good light/bad light health saga is an alarming one: Exposure to even low levels of bedroom light could stop a key breast cancer drug from working, U.S. research suggests.