Figure: Propagation of Electromagnetic Waves
This java applet shows how the electric field, the magnetic field and the wave vector inter-relate as the electromagnetic wave propagates through space.
Credit: Fu-Kwun Hwang , NTNUJAVA Physics Simulations, http://www.phy.ntnu.edu.tw/ntnujava/index.php
http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=35.0