WASHINGTON — Our roads might one day be safer thanks to a completely new type of system that overcomes some of lidar’s limitations. Lidar, which uses pulsed lasers to map objects and scenes, helps ...

Photoelectric sensors with background suppression are a more evolved version of the basic diffuse sensors used on public washroom sinks to control automatic faucets. Both in this rudimentary ...

Many technologically important materials are highly insulating. This is a challenge for charged particle microscopes. Large voltages can easily build up on samples, distorting the images, destroying ...