One of the first public remarks on the electromagnetic nature of light occurred partly by accident. In 1846,

Stories from Physics 11-14 14-16

A model of colour perception, proposed in 1872 by Ewald Hering, argued colour vision involves two opponent pairs of colours...

Stories from Physics 11-14 14-16

Yellow light can be perceived as the result of two mechanisms: ‘physical yellow’ which results from the incidence of 600 nm...

Stories from Physics 11-14 14-16

Jan Evangelista Purkyně, a 19th century Czech anatomist, gave his name to several well-known effects.

Stories from Physics 11-14 14-16

Stories from Physics 11-14 14-16

A study which examined whether bees were attracted to paintings of flowers investigated the reactions of the insects to...

Stories from Physics 11-14 14-16

Hippopotamuses secrete a clear fluid that helps to control their body temperature. The fluid turns red-brown within a few...

Stories from Physics 11-14 14-16

The red-eye effect that can appear in photographs is caused by the reflection of the camera flash from blood vessels at the...

Stories from Physics 11-14 14-16

It has long been known that spinning a shallow dish of a reflective liquid, such as mercury, can create a parabolic mirror...

Stories from Physics 11-14 14-16

In 1995, an American inventor, John Walter, developed a device that he calls a ‘true mirror’, which does not reverse images in...

Stories from Physics 11-14 14-16

As early as 1888, doctors were using bent glass rods to illuminate the insides of their patients’ bodies. By the beginning of...

Stories from Physics 11-14 14-16

A significant figure in the development of the telescope was the optician Bernhard Schmidt, born in Estonia in 1879.

Stories from Physics 11-14 14-16