In the 1860s, radio waves were predicted by James Clerk Maxwell in
his work on electromagnetism. It took a further twenty years for
the first experiments to produce a working demonstration. In this
guide to radio technology, first published in 1925, eminent
physicist Sir Oliver Lodge (1851 1940) provides a concise history
of the development of the wireless radio, explains the theory
behind it, and includes some practical tips for amateurs. Having
lived through and contributed to the discovery, he explains the
difficulty of the early experiments, which took place in a time
when terms like 'frequency' and 'inductance', now taken for
granted, did not exist in the scientific vocabulary. His first-hand
account reveals the incredible efforts poured into the development
of a revolutionary modern technology, rekindling the sense of
wonder that once surrounded this strange new science.
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