When people look into a mirror, they see an image of themselves behind the glass. That image results from light rays encountering the shiny surface and bouncing back, or reflecting, providing a ...

At least three separate optical phenomena are visible in the new images. Each of which is created by light refracting through millions of perfectly aligned ice crystals in the upper atmosphere. When ...

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.

Well, OK, not exactly. A beam of light could pass through air all day long (as long as you have a layer of air 26 billion kilometers long) and not deviate a whit. But if the density of that air ...

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The ethereal installations engineered by Kimsooja might be best described as “infinity rooms,” if only Yayoi Kusama hadn’t copyrighted the term. Indeed, the Korean-born artist’s immersive, shimmering ...

The photographer said it had taken a decade to perfect a technique for capturing dragonfly images Photographs of dragonflies using a technique which has taken a decade to perfect have been shortlisted ...