Posts tagged: LEDs

The Dutch Are Testing LED Crosswalk Lines to Prevent Pedestrians From Getting Run Over

When your nose is buried in a smartphone while crossing busy city streets, you’re going to get hit by a car. To limit that, a Dutch city is testing a system that lights up a line on the ground informing pedestrians when it is safe to cross the street. Together with HIG Traffic Systems, the […]

Engineer Discovers Light can Stamp out Defects in Semiconductors for Better Solar Panels and LED Bulbs

University of Utah materials science and engineering associate professor Mike Scarpulla wants to shed light on semiconductors — literally. Scarpulla and senior scientist Kirstin Alberi of the National Renewable Energy Laboratory in Golden, Colorado, have developed a theory that adding light during the manufacturing of semiconductors — the materials that make up the essential parts […]