Counting Weeks and Days
There is a Biblical Commandment to count the days between the Passover and Shavuot, the “Feast of Weeks” (a.k.a. Pentecost). We start counting on the
April 28, 2020 / 4 Iyyar 5780
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Sukkot — Bringing Time into Space
Jews have a very strange custom to take four species (Heb. arba’a minim)—a fruit of a citron tree (etrog), a branch of a date palm (lulav), boughs from the myrtle tree (chadassim),
October 18, 2019 / 19 Tishri 5780
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Chayei Sarah – where Kabbalah meets physics
And these are the years of the life of Ishmael: one hundred years and thirty years and seven years (Gen. 25,17) You might say the
November 27, 2016 / 26 Heshvan 5777
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Jacob’s Sheep: Particles, Fields and Strings, and the Architecture of Reality
Synopsis This essay reads Jacob’s agreement with Laban over the streaked, speckled, and spotted sheep as far more than an odd detail in an ancient
November 20, 2015 / 8 Kislev 5776
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