Right, this experiment measures the wavelength of the microwaves. Apparently it is possible to independently calculate the frequency of microwaves. http://en.

Right, this experiment measures the wavelength of the microwaves. Apparently it is possible to independently calculate the frequency of microwaves. http://en.wikipedia.org/wiki/Speed_of_light#Cavity_resonance http://en.wikipedia.org/wiki/Speed_of_light#Cavity_resonance