====== Stern-Gerlach Experiment ====== {{ :experiments:sterngerlach.png?nolink&600 |}} * [[http://www.thephysicsmill.com/2015/02/22/the-stern-gerlach-experiment/|Spin and the Stern-Gerlach Experiment]] by The Physics Mill * The best description can be found in the [[http://www.feynmanlectures.caltech.edu/III_05.html|Feynman Lectures Vol. 3]] The motto in this section is: //the higher the level of abstraction, the better//. The Stern-Gerlach experiment discovered that elementary particles like, for example, electrons have an unusual internal property called [[basic_notions:spin|spin]]. * [[http://www.fhi-berlin.mpg.de/mp/friedrich/PDFs/ptsg.pdf|Stern and Gerlach: How a bad cigar helped reorient atomic physics]]