Refraction

Refraction in optics is the change in direction of the light because it changes speed. This usually occurs when light leaves one media and enters another. A typical example is a straw in a glass of water. The straw seems to bend when it enters the water from the air portion.

Holographic Genie in a Bottle, Innovative optical illusion in marketing

The latest buzz in the optical illusion world surrounds Disney’s newest patent (WIPO WO2008/021605A1) about an optical illusion device that will be used as part of a drinking bottle. This patent is intended to significantly help with shelf appeal of their drink products, by surpassing conventional packaging methodologies. This optical illusion device is designed to show a type of genie in a bottle holographic image

What is light?

Light is one of the most common but yet puzzling phenomena. It is both energy in the form of electromagnetic radiation and mass composed of elementary particles called photons. Before humans and animals and the earth there was light, yet, after so many years on this earth we can't still figure it out completely.

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