Definition:Angstrom (Unit)/Historical Note
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Historical Note on Angstrom Unit
The angstrom was formally used for measurements of wavelengths and intramolecular distances, but has been superseded by the nanometre ($10^{-9} \, \mathrm m$)
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): angstrom
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): angstrom