Exploiting a novel technique called phase discontinuity, researchers have induced light rays to behave in a way that defies the centuries-old laws of reflection and refraction. The discovery has led ...

Waves close wavesVibrations that transfer energy from place to place without the transference of matter. - including sound and light - can be reflected at the boundary between two different materials.

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. from a ...

After some rain and a bit of sunshine this week, folks across the Valley got to witness a not-so-common natural sight. Here’s ...

A girl who suddenly appears at the academy after the other students have already arrived. Hiori’s older sister. She is calm about everything and has a somewhat fickle atmosphere. She has lost all of ...