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How Christmas Lights Work

A brief description of how Christmas Lights work from HowStuffWorks.com.

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Hits: 4975

http://www.howstuffworks.com/christmas-lights.htm

Prism refraction

This colourful ray diagram shows the dispersion of white light by an equilateral triangle prism according to Snell's law. The angle of incidence and width of beam are variable.

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Hits: 2324

http://micro.magnet.fsu.edu/primer/java/prism/index.html

Refraction and total internal reflection

Applet in two parts - the first a fish's view from under water. In the second the position of the cursor is the source of a light ray. Its path from within the water to an observer appears.

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Hits: 1964

http://www.phy.ntnu.edu.tw/oldjava/optics/path_e.html

Refraction of light

An animated wave diagram showing how an incident wave is refracted for a variety of angles of incidence, and a variety of materials.

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Hits: 915

http://micro.magnet.fsu.edu/primer/java/scienceopticsu/refraction/index.html

Mini magnifier - Marvin and Milo

A Marvin and Milo activity about light, refraction and lenses. All you need is sticky tape, water, teaspoon and some clear plastic.

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Hits: 349

http://www.physics.org/marvinandmilo.asp?id=68

Java Applet - reflection and refraction

A java applet that lets you investigate reflection and refraction. One of a series of simple applets that are good for display use in the classroom.

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Hits: 4117

http://www.phy.ntnu.edu.tw/~hwang/light/flashLight.html

Could lightning keep the lights on?

Just how realistic is it to try and use lighting as a source of power.

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http://blogs.scientificamerican.com/plugged-in/2014/10/27/could-lightning-keep-the-lights-on/

Colored Shadows

An experiment in mixing different coloured lights.

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Hits: 4143

http://www.exploratorium.edu/snacks/colored_shadows/index.html

The CSE Light Tour

The light tour will let you discover information about light in the universe and how astronomers make use of light wavelengths.

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Hits: 2570

http://cse.ssl.berkeley.edu/light/light_tour.html

How epic solar winds make brilliant polar lights

A summarised view of how the aurora is formed.

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Hits: 635

http://ed.ted.com/lessons/how-epic-solar-winds-make-brilliant-polar-lights-michael-molina
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Showing 21 - 30 of 285