Refraction close refractionProcess by which a wave changes speed and sometimes direction upon entering a denser or less dense medium, eg a light ray changes direction when refracted by a lens. of ...

A newly developed metasurface-based silicon antireflective coating combines rectangular and cylindrical meta-atom geometries. The metasurface achieves just 5 percent reflection, compared to ~50 ...

(Nanowerk Spotlight) Controlling how electromagnetic waves behave as they move through space is essential for technologies like wireless communication, radar, and remote sensing. Engineers have ...

This news release is available in German. The effect is known from the smart phone: Sun is reflected by the display and hardly anything can be seen. In contrast to this, the glasswing butterfly hardly ...

Concluding our series on reverb, we tackle the behaviour of sound and reverb reflections in actual, physical spaces. Jumping once again into our discussion of reverb, let's start with another useful ...