To comply with new laws on reducing energy usage, fluorescent and HID lighting systems — both examples of arc discharge lamps — have become more complex and varied in their performance. To understand ...

Users can easily reduce energy usage with dimmers. Dimming technology has evolved considerably over the last decade, especially in the arc discharge lamp category. What began as a device for simply ...

A simple electrical method provides an alternative way to prepare graphene samples, according to researchers in India. Graphene—one-atom-thick sheets of carbon packed in a honeycomb structure—has ...