Looking at the same molecule from different angles but can't tell which is which? Welcome to the stereochemistry nightmare! Just like Samuel-L-Jackson and Samuel-D-Jackson here, optical stereoisomers are mirror images of each other but not superimposable—identical in every way except their spatial arrangement. They'll react differently with other chiral molecules though, just like how one Samuel probably says "motherfucker" with slightly more emphasis. Chemistry professors expect you to distinguish these on exams while cackling maniacally in their office chairs. Pure evil.
Optical Stereoisomers: The Samuel Jackson Edition

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