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ewaldintro.html
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<!DOCTYPE html>
<html>
<title>Ewald Sphere Tutorial</title>
<body>
<h1>The Interactive Ewald Sphere 3D Tutorial</h1>
<p><i>By Katie Tlusty, Paul Bond, K Cowtan</i></p>
<p>
Welcome to the 3D Ewald sphere tutorial! The aim of this tutorial is
to learn about the Ewald sphere, and how it explains X-ray diffraction patterns.
The tutorial uses an interactive tool, the 'Ewald sphere 3D applet'.
It builds on concepts from the 2D Ewald sphere tutorial.
</p>
<p>
This tool is designed to support learning as part of a formal taught course in X-ray crystallography, and is provided here so that anyone can incorporate it in their teaching materials. It was not designed for self-directed learning, but may be useful as a reinforcement activity in some cases.
</p>
<img src="ewaldapp.png" width=320 style="float:right;" alt="The applet window" onMouseDown="alert('Its just a picture; it doesnt do anything.\n Go to one of the tutorials to try the applet');">
<h3>Exercises</h3>
<ol>
<li><a href="ewaldsphere1.html">Cubic unit cell diffraction</a>.</li>
<li><a href="ewaldsphere2.html">Cubic unit cell diffraction (large cell)</a>.</li>
<li><a href="ewaldsphere3.html">Diffraction from an tetragonal crystal</a>.</li>
<li><a href="ewaldsphere4.html">Cubic unit cell powder diffraction</a>.</li>
<li><a href="ewaldsphere5.html">General unit cell powder diffraction</a>.</li>
</ol>
<br clear="all" />
<hr>
<A HREF="http://www.ysbl.york.ac.uk/~cowtan/">Back</A>
to my YSBL page. <p>
<table border=0><tr><th>Kevin Cowtan:</th><td> <img border=0 style='vertical-align:sub;' src=email.png></a> </td></table>
</body>
</html>