Abstract: The performance tradeoffs required for a small satellite synthetic aperture radar (SAR) system designed to measure surface deformations using persistent scatterer interferometry (PSI) are ...

Scientists have observed “bending” atoms using a crystal grating—an experiment once believed impossible at the high energies required. The authors of a new, non-peer reviewed study detail ...

Two companies at CES 2025 showed “holographic displays” in various states of readiness. Each reflects two-dimensional info back from a screen either mounted on or sandwiched inside the windshield.