Helsinki, Southern Finland

This photo from Southern Finland, South is titled 'Etelaesplenadi Luntassa'.

Lo streaming del primo canale allnews in Italia

Lo streaming del primo canale allnews in Italia

Il+mondo+delle+particelle+e+dei+quanti:+lo+spin

TIL unlike everday objects like a basketball spinning on a finger, an electron has to be flipped (rotated) upside down not twice, but 4 times to get it back to its original spin state.


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