Metasurfaces have the potential to fundamentally improve optical systems in our everyday lives. By controlling light more precisely, they drive compact, multi-functional solutions. Researchers have ...

Comparing the flagship sonar products of just a generation ago to today’s best fish finders is like placing a Model T side-by-side with a modern sports car. The basic concept is the same, but the user ...

Power generation issues due to the position of the lander would mean the mission would be "off-nominal," Altemus said, adding that there were "challenges" with the laser rangefinders, which are ...