Timestamps 0:00 Intro 0:21 What are dextrorotatory molecules? 0:38 Rotating plane-polarized light clockwise 0:50 Dextrorotation and chirality 1:07 Dextrorotation and enantiomers 1:16 Optical activity and Dextrorotation 1:52 Levorotatory molecules 2:11 Dextrorotatory vs. Levorotatory 2:31 Outro