Light, Sound and Waves

In the 1960s, the United States launched the Vela satellites to monitor nuclear weapons tests. On 2 July 1967, two of the...

Stories from Physics 11-14 14-16

Though the emission of X-rays from lightning had been predicted several decades ago, it is only in recent years that the high...

Stories from Physics 11-14 14-16

Salty foods may warm up slightly more quickly than food without seasoning in a microwave oven.

Stories from Physics 11-14 14-16

Levels of ultraviolet (UV) radiation can be high close to the North and South Poles. The effect occurs due to scattering...

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

In 1925, C. R. T. Wilson proposed that the electric fields in clouds might accelerate electrons to relativistic speeds causing...

Stories from Physics 11-14 14-16

The colour of gemstones is sometimes altered by exposing them to gamma rays. Colourless quartz will become smoky and pale...

Stories from Physics 11-14 14-16

Gamma radiation has been used to induce mutations in the selective breeding of fruit.

Stories from Physics 11-14 14-16