Light-bulb moment for stock market behaviour

University of Adelaide physicists have discovered that the timing of electronic orders on the stock market can be mathematically described in the same way as the lifetime of a light bulb.

Philips eyes almost billion euro IPO windfall

Dutch electronics giant Philips announced Monday it will float 25 percent of its shares in a highly anticipated IPO of its lighting arm which could raise almost one billion euros.

Optimizing lighting for better learning

The intensity of artificial lighting has been shown to have a range of effects on our mood and our ability to concentrate. New research explores the color of lighting and its effect on our cognitive performance. The study, ...

Study illuminates big performance gap for car headlights

There may be a reason why people have trouble seeing while driving at night, and it's not their eyesight. A new rating of the headlights of more than 30 midsized car models gave only one model a grade of "good."

Do energy-efficient LED lights cause unexpected ecological damage?

Planet earth runs on light energy. Light energy from the sun powers photosynthetic processes in plants and different wavelengths of light cue these plants to flower, move their leaves, and grow taller. These same cues influence ...

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