keyword: the special theory of relativity, time dilation,
length contraction, elastic aether, Einstein, Michelson and Morley
experiment, Biot Savart law, tension, linear mass density, potential
energy, photon, speed of light, waves, fluid dynamics, electron,
drifting velocity, magnetism.
Electricity And Matter   By J. J. Thomson
Thomson suggests that Faraday tubes are discrete threads embedded in a continuous ether, giving to the latter a fibrous structure(see p. 62-70).