Please provide your email address to receive an email when new articles are posted on . Vision is the perception of light. To comprehend the nature of human vision, an understanding of the properties ...

The first law of refraction states that the incident rays, refracted rays, and the normal to the interface at the point of incidence, all lie in the same plane. The ratio of the sine of the angle of ...

We are surrounded by waves. tiny vibrational waves transport sound to our ears. Light waves stimulate the retinas of our eyes. Electromagnetic waves bring radio, television and endless streaming ...

Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...

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 ...

FORT WAYNE, Ind. (WANE) A gloomy day can’t keep science away! Science Central’s Martin Fischer joins NewsChannel 15 to demonstrate experiments focused on light. Fisher showed two simple experiments ...

Light is the ultimate means of sending information to and from the interior structure of materials — it packages data in a signal of zero mass and unmatched speed. However, light is, in a sense, ...

When light travels from one substance to another, such as from air to water, it can appear bent due to refraction. This occurs because light travels at different speeds in different materials. When ...

One of the dumber assertions that always turns up in arguments about the sciences versus "the humanities"-- the Two Cultures of C.P. Snow's famous lecture-- is that the clinical approach inherent to ...

In 1676, by studying the motion of Jupiter's moon Io, Danish astronomer Ole Rømer calculated that light travels at a finite speed. Two years later, building on data gathered by Rømer, Dutch ...

Fireflies produce a chemical reaction inside their bodies that allows them to light up. This type of light production is called bioluminescence. The method by which fireflies produce light is perhaps ...