ripples on the surface of water vibrations in a guitar string a Mexican wave in a sports stadium electromagnetic waves - eg light waves, microwaves, radio waves seismic S-waves ...

In a vacuum, electromagnetic waves travel at the speed of light, commonly denoted c. In homogeneous, isotropic media, the oscillations of the two fields are perpendicular to each other and ...

Frequency Selective Surface (FSS): A surface that selectively transmits or reflects electromagnetic waves based on their frequency. Transverse Electric (TE) and Transverse Magnetic (TM ...