Electromagnetic Spear

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

Electromagnetic 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.