There are many glorious science-based terms when it comes to surfing. We all talk about swells, of course, the underwater energy that creates a breaking wave. But we'll look at swell angles and ...

(a) Schematic of the Timoshenko-Ehrenfest beam-based reconfigurable elastic metasurface (TREM) for multifunctional wave manipulation (total reflection, self-acceleration, wave focusing, and anomalous ...

The interface between two facets of an artificial material known as a “Weyl phononic crystal” can not only negatively refract an airborne sound wave, it does so without reflecting it at all. This ...