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View Resource Diffraction

This activity from the Exploratorium provides an introduction to the diffraction of light which indicates its wavelike properties. Two pencils are used to create a slit through which a flashlight bulb or candle?s light is examined. The site contains an explanation of the observed interference patterns, additional materials that can be experimented with, and an extension activity. This activity i...

View Resource Low-Energy Electron Diffraction (LEED)

This resource provides an interactive activity demonstrating LEED as a technique for the determination of the surface structure of crystalline materials by bombardment with a collimated beam of low energy electrons (20-200eV) and observation of diffracted electrons as spots on a fluorescent screen. The activity uses colors to illustrate the motion of the electrons. An interactive diagram is...

View Resource Interference and Diffraction

In this video from the ICT Center, learn about interference and diffraction. See how the wave properties of light are used to explain interference patterns on a screen, and learn about related technologies such as the Fabry-Perot cavity, Bragg gratings, interference filters, and antireflection coatings. In addition, learn how diffraction patterns are produced, and study the grating...

View Resource Lines on Paper

This lab, presented by the National Nanotechnology Infrastructure Network, allows students to "understand how light is bent into different directions as it interacts with small objects, especially those on the nanoscale (1-100nm)." Additionally, students will learn about the process of x-ray defraction which allows scientists to see structures that are too small to see with the naked eye, ...

View Resource Molecular Expressions: Electricity and Magnetism - Interactive Java Tutorials

This page is an index to the interactive Java tutorials developed to help students understand topics in electricity and magnetism. Created by Florida State University, the site contains tutorials about concepts such as capacitance, Ohm's Law, and creation of a silicon seascape. These are simply a few, the website contains almost any type of physics related concept you could desire. It is a great...

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