Questions tagged [unit-systems]

Questions that involve the choice of a system of units for measurement or calculations. For example, metric, U.S. customary, or Imperial units.

2 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
0answers
60 views

Are there examples of errors caused by the use of two English units?

The Mars Climate Orbiter was infamously lost because of software which used metric units in some places and U.S. Customary units in other places, without conversion factors. The incident is discussed ...
2
votes
0answers
94 views

Was Arthur J. Schwaniger one of very few US born NASA scientists using metric units?

Free-return trajectories were studied by Arthur Schwaniger of NASA in 1963 with reference to the Earth–Moon system. Those trajectories were used for the first Apollo missions. Mr. Schwaniger, who ...