Editing Fine-structure constant (section)

== External links ==
{{wikiquote}}
* {{cite book
 |last1=Adler |first1=Stephen L. |author-link1=Stephen L. Adler
 |year=1973
 |chapter=Theories of the fine structure constant {{mvar|α}}
 |title=Atomic Physics |volume=3
 |pages=73–84
 |doi=10.1007/978-1-4684-2961-9_4
 |isbn=978-1-4684-2963-3
 |chapter-url=http://lss.fnal.gov/archive/1972/pub/Pub-72-059-T.pdf
}}
* {{cite web
 |title=The fine structure constant
 |series=Introduction to the constants for nonexperts
 |publisher=National Institute of Standards and Technology
 |url=http://physics.nist.gov/cuu/Constants/alpha.html
}} (adapted from the ''[[Encyclopædia Britannica]]'', 15th&nbsp;ed. by [[NIST]])
* {{cite web |url=http://physics.nist.gov/cuu/Constants/codata.pdf |archive-url=https://web.archive.org/web/20080216063410/http://physics.nist.gov/cuu/Constants/codata.pdf |archive-date=2008-02-16 |url-status=live
 |title=CODATA recommended value of {{mvar|α}}
 |year=2010
}} <!-- New CODATA 2018 is available, so maybe helpful to state here? -->
* [https://www.quantamagazine.org/physicists-measure-the-magic-fine-structure-constant-20201202/ Physicists Nail Down the ‘Magic Number’ That Shapes the Universe] (Natalie Wolchover, ''Quanta magazine,'' December 2, 2020). The value of this constant is given here as 1/137.035999206 (note the difference in the last three digits). It was determined by a team of four physicists led by Saïda Guellati-Khélifa at the Kastler Brossel Laboratory in Paris.
* {{cite web |url=https://www.goodreads.com/quotes/tag/fine-structure-constant
 |title=Quotes about the fine structure constant
 |website=Good Reads
}}
* {{cite web
 |title=Fine structure constant
 |website=Eric Weisstein's World of Physics
 |url=http://scienceworld.wolfram.com/physics/FineStructureConstant.html
 |via=scienceworld.wolfram.com
}}
* {{cite magazine
 |author1=Barrow, J.D. |author1-link=John D. Barrow
 |author2=Webb, John K. <!-- |author2-link=John K. Webb -->
 |date=June 2005
 |title=Inconstant constants
 |magazine=[[Scientific American]]
 |url=http://www.sciam.com/article.cfm?articleID=0005BFE6-2965-128A-A96583414B7F0000&ref=sciam
}}
* {{cite web
 |last=Eaves |first=Laurence |author-link=Laurence Eaves 
 |year=2009
 |title=The fine structure constant
 |website=Sixty Symbols
 |publisher=[[Brady Haran]] for the [[University of Nottingham]]
 |url=http://www.sixtysymbols.com/videos/finestructure.htm
}}

[[Category:Dimensionless constants]]
[[Category:Electromagnetism]]
[[Category:Fundamental constants]]
[[Category:Arnold Sommerfeld]]