2026-04-05 21:08 UTC
@drmikepj
Just because it is nit-picking-sunday:
Strictly speaking optical fiber is a wave-guide :-)
And if you want an astonishing read: Lookup the "WT4" system in BSTJ :-)
Replies (1)
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@drmikepj@mastodon.social 2026-04-05 21:21
@bsdphk you score one pedant point! I was referring to millimetre-wavelength waveguide, which the UK’s state-run telecoms company tried out extensively in the 1970s. https://www.jstor.org/stable/74915 Looks superficially similar to WT4.