New material could slash LED costs

New material could slash LED costs

Researchers at Cambridge and Oxford universities have demonstrated a new way of making LEDs that could eventually slash manufacturing costs.

They're off. They're on. They're off. Action heats up in great British streetlight battle

They're off. They're on. They're off. Action heats up in great British streetlight battle

The roundup over the last week on UK streets: Lights Off 2, Lights On 1. As the debate continues on how best to save energy and on whether turning off lights increases or decreases crime, the city of Exeter and the town of Loughborough both scored for the “Offs,” while Gloucestershire kicked in with an “On”, taking the next step in a countywide LED deployment.

LED streetlights play digital detective in Denmark

LED streetlights play digital detective in Denmark

Ask the average person to quickly summarise the benefits of LED lighting, and the answer could well be energy savings. But the digital technology will soon strut its other stuff as it helps detect everything from air pollution to criminal activity in a streetlight experiment near Copenhagen.

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.

Report: Utilities block LED street lighting in Australia

Report: Utilities block LED street lighting in Australia

Utilities in Australia are stalling the installation of energy efficient LED street lighting because the move is not always in their best financial interest, according to a report that criticises the utilities' reasoning.

Windowless workers are losing sleep

Windowless workers are losing sleep

More fodder for those who believe that exposure to the wrong kind of light undermines sleep: Employees who work in windowless areas rest poorly at night compared to their colleagues with a view.

LEDs brighten up offices at Dept. of Energy and Climate Change

LEDs brighten up offices at Dept. of Energy and Climate Change

Here's one for the practise what you preach file: The government's energy department has replaced the lighting in its London headquarters building with efficient LEDs which it says are indeed cutting electricity consumption and that have also improved brightness.

Control lights with your mind!

Control lights with your mind!

With the days of the light switch supposedly numbered, Philips is now attempting to take lighting control into a whole new realm by allowing users to turn bulbs on and off just by thinking about it.

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.

Low quality imports harm India's LED market

Low quality imports harm India's LED market

With a population of over a billion people and with the government encouraging energy efficienct lighting, India would seem like a fertile market for LED bulbs – but low quality products from China and other countries are tarnishing the take-up.