In 1850 #LeonFoucault adapted the experiment #CharlesWheatstone devised to measure the #SpeedofElectricity to determine the #SpeedofLight. Nobody knew - light is just another electromagnetic wave that moves at similar speeds to electricity in a wire. It took another 15 yrs before #JamesClerkMaxwell formed the principles of #Electromagnetism which underpins modern electronics.
In Source: Science Museum

#KingsCollegeLondon 1860–65: Professor’s #CharlesWheatstone & #JamesClerkMaxwell were colleagues working on #Electromagnetism in the same Physics Dept. A special time noted for Maxwell’s advances in #Electromagnetism & his #ElectromagneticInduction concept, & the polarisation of light in a magnetic field, a phenomenon discovered by #MichaelFaraday & known as the #FaradayEffect.
In Source: King’s College London

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