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 ...

Engineers are turning what used to be a bulky optics bench into something that fits on the tip of a finger, and the latest photonic chips go a step further by splitting a single laser into a ...

WiFi is embedded in our lives today. The term originated about four decades ago (as a marketing ploy, designed to rhyme with the term “Hi-Fi”) and has revolutionized personal communications, internet ...