Liquids and solutions are complex environments—think, for example, of sugar dissolving in water, where each sugar molecule ...

Engineers are turning what used to be a bulky optics bench into something that fits on the tip of a finger, and the latest ...

Until fairly recently, if you wanted to get a projector close to the wall or screen, the ultra-short-throw model you'd need ...

Researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow, opening new possibilities for technologies that could use a laser beam to control ...

'Laser' is an acronym for 'light amplification by the stimulation emission of radiation'. Its theoretical basis was postulated by Albert Einstein. The first tooth exposed to laser light was in 1960.

Scientists from the Indian Institute of Technology Bombay have found a way to use light to control and read tiny quantum ...

Before entering the pod, I strip off all my clothes. The room is dark, lit only by an electric candle. I put on a pair of plastic safety glasses. Then I climb inside what looks like a tanning bed from ...

Biologists often use lasers to probe cells. Now, for the first time, cells have returned fire. Harvard University researchers have created intracellular lasers by implanting microscopic beads and oil ...

Whether the problem occurs sporadically or perpetually, a failing computer mouse always decreases productivity. In the early days of personal computing, mice had balls that sensed motion. Today's mice ...

For the experiment, a high-power green laser was directed through ruby cube and illuminated with a blue laser from the side. The green laser increases the optical absorption of the blue illuminating ...