What it shows:
Static 3-D stylized model of an electromagnetic wave, with two sets of sinusoidal fins at 90° representing the E and B fields.
How it works:
The wave packet model consists of a wooden spine with E and B fins of 1cm wooden dowels. A plastic arrowhead gives the spine a direction.
Figure 1. The Spear
Setting it up:
Can be laid out by itself or rested horizontally on a stand.
Useful for hand waving description of light, its transverse nature, polarization etc.