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Introduction to Optical Tweezers

An explanation of how optical tweezers work, and how to set up and calibrate your own.

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http://www.nbi.dk/~tweezer/introduction.htm

Glow Discharge Optical Emission Spectroscopy and Spectrometry

Glow Discharge Spectroscopy (GDS) provides a rapid, direct bulk analysis and depth profiling analysis of solids: metals, powders, polymers, glasses and ceramics. Glow Discharge Optical Emission ...

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http://www.glow-discharge.com/

Bird in a cage

Two optical tricks and illusions based on mixing colours.

Rating:

http://www.exploratorium.edu/exhibits/bird_in_a_cage/bird_in_a_cage.html

Polarizers

A practical demonstration of polarization in which unpolarized red light is passed through a optical bench

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http://lectureonline.cl.msu.edu/~mmp//kap24/polarizers/Polarizer.htm

From lenses to optical instruments

A page covering the basic optics behind telescope design.

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http://www.funsci.com/fun3_en/lens/lens.htm

Sandlot Science

An extensive interactive site featuring a large number of optical illusions with explanation.

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http://www.sandlotscience.com/

Disappearing Act

Certain patterns confuse your eyes and brain, causing you to misjudge the size of a circle, or the length of a line. This site contains a shockwave demonstrations of an optical illusion.

Rating:

http://www.exploratorium.edu/exhibits/disappearing_act/shock_dis_act.html