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@REPLYADDR Jim Wilkins <muratlanne@gmail.com>
@REPLYTO 2:5075/128 Jim Wilkins
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"Jim Wilkins" wrote in message news:ucrj3k$3kjbm$
1@dont-email.me...
>Or it might use vacuum channel transistors which we do understand:
>
https://en.wikipedia.org/wiki/Nanoscale_vacuum-channel_transistor
----------------------
The rapid advance of European technology in the last 200 years isn`t typical
of Earth history and perhaps that of others. Until 1800 we were slowly
catching up to where Rome left off. Rome had better roads, bridges and
especially public water and sewer systems, better than London`s until the
1850`s. The Gothic cathedrals are fancier imitations of the standard large
Roman building (Basilica). They limited their large apartment complexes
(Insulae) to 6 stories because that`s how high the fire pumps could reach.
They had excellent concrete, hot air central heat and glass windows that
swung open, clocks that sounded the hour, book-style Bibles written on
vellum that lasts longer than modern paper, and a banking system that
allowed foreign travellers to write checks instead of carrying cash. Other
great civilizations in China and India had remained satisfies with their
level of tech for a very long time.
Advancement of ours slows when the product becomes good enough, airliners
haven`t changed much in appearance or performance since the 707 of the
1950`s, they aren`t even as fast now. Cruise ships may be larger but they
don`t usually go much faster than RMS Titanic.
If other civilizations exist and weren`t driven by war to advance their tech
they may be satisfied with lives similar to ours.
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