LIGHTNING

October 30, 2009 | Posted by maneerat

In a thunderstorm we have the most spectacular display in lightning of a violent and explosive rush of electrons (electricity) from one body to another, from cloud to cloud, or to the earth. In this wonderful photograph of an electrical storm note the long branched and undulating flashes of lightning. Each flash lasts no longer than the one hundred-thousandth part of a second of time.

LIGHT WAVES

Light consists of waves transmitted through the ether. Waves of light differ in length. The colour of the light depends on the wave-length. Deep-red waves (the longest) are 7/250000 inch and deep-violet waves 1/67000 inch. The diagram shows two wave-motions of different wave-lengths. From crest to crest, or from trough to trough, is the length of the wave.

Categories: THE OUTLINE OF SCIENCE | Tags: Dynamo, Electrical Storm, Electro Magnet, Fate Of The World, Gloomy Prognostications, Human Eye, Light Waves, Magnetic Circuit, Magnetic Circuits, North Pole, Peculiarities, Radio Activity, Soddy, South Pole, South Poles, Time Light, Wave Length, Wave Lengths, Wave Motions, Waves Of Light | No Comments »