When a wave or light ray moves from one medium to another its speed changes. The direction of the ray may also change. This property of waves is called refraction and commonly occurs with light rays.

That bent light keeps traveling through the snowflake. Some of the light will hit different parts of the snowflake and bounce ...

Waterford lamps are known for their iconic designs that maximize light refraction using beautifully cut crystal. The brand no longer creates lamps, making this Redditor’s lamp a rare find or an ...