Yosemite ends its Firefall reservation rule, opening access for Feb. 10–26 as officials shift to on‑the‑ground crowd ...

The world’s largest island offers pristine Arctic landscapes, towering glaciers, remarkable wildlife, rich Inuit culture, ...

Abstract: Conical refraction (CR) is a phenomenon observed when light is transformed into a hollow slanted cone propagating along an optical axis of a biaxial crystal and emerges as a cylinder of ...

Physicists from Trinity College Dublin believe new insights into the behavior of light may offer a new means of solving one ...

As we were watching this past Monday’s inauguration ceremonies of city officials, and then listening to the inspiring Inaugural Address of Mayor Michelle Wu, it really hit home for us the extent to ...