Engineers at the UCLA Samueli School of Engineering have introduced a universal framework for point spread function (PSF) engineering, enabling the synthesis of arbitrary, spatially varying 3D PSFs ...

Welcome to Nat Geo Your Shot: National Geographic’s global community for aspiring visual storytellers. Find the community on Instagram @NatGeoYourShot and follow along for hashtag challenges ...

The Rasmussen Reports daily Presidential Tracking Poll for Friday shows that 53% of Likely U.S. Voters approve of President Trump’s job performance. forty-five percent (45%) disapprove.