Changing light's polarization can reverse the structure of a patterned light field, opening a new way to control geometry and information in optics. (Nanowerk Spotlight) Light can be bent, focused, or ...

Debates over how geometry is understood and learned date back at least to the days of Plato, with more recent scholars concluding that only humans possess the foundations of this understanding.

For decades, temporal and inversion symmetry were taught as static geometric concepts, but 2026 has shattered that view with real-world demonstrations of symmetry in motion. From the first ...