In this highly technical video (6:38), Orthodox rabbi, author and educator, Hadar Margolin, explains why we hear 100 blasts of the shofar on Rosh Hashanah and what we should be thinking about during this time. Aimed towards those with a basic understanding of the halachic system and Hebrew terminology,Rabbi Margolin distinguishes between biblical and rabbinic laws in regards to the number and types of shofar blasts heard over the holiday. This video was produced by Torah Live, an educational organization that aims to fuse the power of modern technology with authentic Torah wisdom.