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In 1850, British physicist Joseph Swan began experimenting with paper coated with carbon in a glass tube that was partially evacuated from air. His paper glowed rather dimly, and the poor vacuum pumps of the day let enough oxygen into the glass tube to set the paper on fire when the electrified carbon got hot […]
(Antennas, Chapter 3)
First, let’s talk about “polarization”; there are three polarizations. The first two are easy.
Franklin vs. Edison, Thomson, Millikan, et al.
Hall of fame. By Jim Weir.