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Showing 11 - 19 of 19

Circles of light: the mathematics of rainbows

An in-depth study of the mathematics involved in the study of rainbows. For advanced students only.

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Hits: 1485

http://www.geom.umn.edu/education/calc-init/rainbow/

Rainbows in Soap Bubbles

Why do you see rainbows in soap bubbles or on oil and water? Explanation of thin film interference from HowStuffWorks.com

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Hits: 3087

http://science.howstuffworks.com/light13.htm

Why is petrol / oil in water colourful?

An answer from PhysLink.com about thin film interference, whic explains why you see rainbow colours in oil.

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Hits: 1386

http://www.physlink.com/Education/AskExperts/ae467.cfm

Refraction of Light

This site aims to further our understanding of light and the rainbow.

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Hits: 1303

http://www.geom.umn.edu/education/calc-init/rainbow/refraction.html

Why do rainbow-like colours appear on the surface of oil?

Non-mathematical explanation of colours seen in an oil film, caused by light interference. Nice diagram and accompanying photograph.

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Hits: 1954

http://www.hk-phy.org/iq/oil_rainbow/oil_rainbow_e.html

Spectral colours

In a rainbow or the separation of colors by a prism we see the continuous range of spectral colors (the visible spectrum).

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Hits: 1171

http://hyperphysics.phy-astr.gsu.edu/hbase/vision/specol.html

Iridescence

An interesting but straightforward page about iridescence, explaining how interference works to create rainbows on oil on a wet pavement, with links to pages about butterflies, beetles and peacocks.

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Hits: 1031

http://www.webexhibits.org/causesofcolor/15.html

Light & Optics - Online meteorology guide

An excellent guide to atmospheric optics: meteorological effects such as rainbows, halos and red sunsets, explained using basic physics.

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Hits: 2192

http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/opt/home.rxml

The Science of Light - Coloured Spectra

This site introduces the idea that light can be refracted into all the colours of the rainbow. The site uses this idea to introduce the idea of spectrographs used in astronomy.

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Hits: 999

http://www.learner.org/teacherslab/science/light/color/spectra/index.html
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Showing 11 - 19 of 19