lightwaves

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20 08, 2017

What makes thunder and lightning? – Weather science

By |2018-04-24T15:20:20-07:00August 20th, 2017|Physics|0 Comments

A bolt of lightning in the sky Hot air and cold air are constantly moving around the Earth, as the hot air rises and the cold air sinks - that's what makes wind. Sometimes as this airmoves around, it gets more exciting than just wind, though. A thunderstorm begins when the wind picks up a lot of water from the [...]

16 08, 2017

What is light made of? Why is the sky blue?

By |2018-05-31T11:49:14-07:00August 16th, 2017|Physics|0 Comments

Rainbow over Amazon river Light is made of billions of tiny particles called photons. These photons travel from one place to another in waves. Visible light is the subset of photons that move at a wavelength that we can see. Among the different photons that are in visible light, the ones that have the [...]

6 08, 2017

du Chatelet light project – European science

By |2019-05-18T08:46:04-07:00August 6th, 2017|Modern Europe, Science|0 Comments

Any desk lamp will do for this du Chatelet light project What is the du Chatelet light project? Emilie du Chatelet was a scientist who lived in France in the 1700s, in the time of Louis XV. She proposed this experiment as a way of showing that longer wavelengths of light heat things [...]