New research combines liquid crystals with metallic metasurfaces in a two-layer design, enabling electrically and thermally switchable displays and security features with superior color control.
Explore the contrasts and similarities between Jimmy Carter and Joe Biden's presidencies, focusing on their empathy, moral compass, and commitment to civil rights.
Given the events of the year that just concluded, it’s no wonder that the Merriam-Webster Word of the Year — announced early last month — was “polarization.” The dictionary folks weren ...