Editing Deborah number (section)

== History ==

The Deborah number was originally proposed by [[Markus Reiner]], a professor at [[Technion – Israel Institute of Technology|Technion]] in [[Israel]], who chose the name inspired by a verse in the [[Bible]], stating "The mountains flowed before the Lord" in a song by the prophetess [[Deborah]] in the [[Book of Judges]];<ref>{{bibleref|Judges| 5:5|KJV}}</ref> הָרִ֥ים נָזְל֖וּ מִפְּנֵ֣י יְהוָ֑ה ''hā-rîm nāzəlū [[Divine countenance|mippənê]] [[Yahweh]]'').<ref name="Reiner1964"/><ref name="Millgram2018">{{cite book|last=Millgram|first=Hillel I. |title=Judges and Saviors, Deborah and Samson: Reflections of a World in Chaos|url=https://books.google.com/books?id=xUdODwAAQBAJ&pg=PA123|year=2018|publisher=Hamilton Books|isbn=978-0-7618-6990-0|pages=123–}}</ref> In his 1964 paper (a reproduction of his after-dinner speech to the Fourth International Congress on Rheology in 1962),<ref name=":0">{{Cite journal |last=Reiner |first=M. |date=1964-01-01 |title=The Deborah Number |url=http://dx.doi.org/10.1063/1.3051374 |journal=Physics Today |volume=17 |issue=1 |pages=62 |doi=10.1063/1.3051374 |bibcode=1964PhT....17a..62R |issn=0031-9228}}</ref><ref>{{Cite journal |last=Phillips |first=Tim |date=2012-12-01 |title=The British Society of Rheology Midwinter Meeting: Complex Fluids and Complex Flows |journal=Applied Rheology |volume=22 |issue=2 |pages=104–105 |doi=10.1515/arh-2012-0006 |issn=1617-8106|doi-access=free }}</ref> [[Markus Reiner]] further elucidated the name's origin:<ref name=":0" /><blockquote>“Deborah knew two things.  First, that the mountains flow, as everything flows. But, secondly, that they flowed before the Lord, and not before man, for the simple reason that man in his short lifetime cannot see them flowing, while the time of observation of God is infinite. We may therefore well define a nondimensional number the Deborah number D = time of relaxation/time of observation.”</blockquote>