The atmospheric optical phenomenon is caused by light refracting from ice crystals, according to AccuWeather. Light pillars appear as beams of light to observers and tend to take on the color of ...

I have always been fascinated with glass and the way that light plays off and through it. Some of my earliest memories are of observing refracted light through a glass ...

Save guides, add subjects and pick up where you left off with your BBC account ... This property of waves is called refraction and commonly occurs with light rays. A normal is a dotted line ...

Schematic of a portion of a 2D hierarchical phoxonic crystal with both large scale photonic lattice ... of phoxonic metamaterials is their ability to exhibit negative refraction for both light and ...

Save guides, add subjects and pick up where you left off with ... angle of refraction. Control variables are the material of the block, the shape of the block and the colour of the light.