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This java applet is a simulation that demonstrates electrodynamics in two dimensions, including setups which demonstrate electromagnetic waves, reflection at conductors, radiation from antennas, standing waves, waveguides, and diffraction.

To get started with the applet, just go through the items in the Setup menu in the upper right.

This is the TE version of the applet. There is also a TM version.

Full Directions.

The source.

More applets.

Zip archive of this applet.

Version 1.3, posted 2/21/05