Gilles.Thesee(at)ac-greno
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 Posted: Mon Nov 20, 2006 10:06 am Post subject: 23 Msgs - 11/19/06 |
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Lee,
| Quote: | This metric "world vs the U.S." debate is entertaining.
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I would like to point out that my original question was "When or why did
the reversion from Celsius to Fahrenheit occur in aviation ?". The
debate was all between North American citizens.
There is no such thing as a "world vs the US" debate in Europe. We just
use units, period. We are trained to change units if need be.
Just remembering to convert into inches and pounds when talking to US
citizens. We consider it a matter of politeness.
| Quote: | But I want to make sure I've got it straight: Americans are stupid
for messing up one of the many space probes we sent to Mars because
two different U.S. research and space sub-agencies used different
measuring systems (of the 15-20 or so there are to choose from),
causing that probe to crash.
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It came as a shock to the aerospace and scientific community to discover
that the top brass and engineers in this project did not even give any
consideration to the problem of multiple unit systems.
Units and dimensional analysis have a paramount importance in science
and engineering.
That is...in the rest of the world ...
Best regards,
Gilles, just joking
http://contrails.free.fr
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