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(See also: Electromagnetic waves and circular dichroism: an animated tutorial)

Animations of electromagnetic waves

Screenshot, click to enlarge

EMANIM is an application for visualizing electromagnetic waves. Its main features are:

Screenshot, click to enlarge

EMANIM can help the user understand a wide range of phenomena related to electromagnetic waves, from the simplest such as a single wave in vacuum to the most complex such as circular dichroism. Its features that promote learning are:


Download EMANIM

NEW VERSION: Version 1.2 has been released on September 23, 2011. It has a new feature: the direction of Wave 1 can be reversed, and a new phenomenon, standing wave, has been added. It also has some interface changes (the size of the explanatory text field is now intelligently adapted to the screen size, and help texts are also shown in it). In addition, a new Windows binary is provided that should run on all Windows 7 installations. On Windows, please uninstall the previous version (if any) before installing this one.

 English version
Windows installeremanim12setup.exe (5 MB)
Source codeemanim12.py
(right-click and save)
(right-click and save)
Program iconemanim.ico (right-click and save)

The source code file named emanim12_python2or3.py works with both Python 2.x and 3.x; many thanks to Michael Burns-Kaurin for creating this version.

Installation instructions:


Please send comments, suggestions, bug reports, etc. to the author, András Szilágyi (e-mail: szilagyi [dot] andras [at] ttk [dot] mta [dot] hu).

See also

Electromagnetic waves and circular dichroism: an animated tutorial