The Golden Calf as Hysteresis
לע”נ אמי מורתי רחל ב”ר דוד ע”ה The sin of the Golden Calf is among the most bewildering episodes in the Torah. A people who
March 8, 2026 / 19 Adar 5786
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thermodynamics
Tzaraath, Black Holes, and Holographic Principle
By Alexander Poltorak Abstract This essay explores the profound connections between the biblical laws of tzaraath (Leviticus 13-14) and modern concepts of entropy and the
May 2, 2025 / 4 Iyyar 5785
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The Cosmological Problem of Initial Conditions and the Universe of Tohu
Now the earth was unformed and void. Genesis 1:2 We have a big problem in cosmology: the problem of the initial conditions of the universe at
September 30, 2021 / 24 Tishri 5782
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Jacob and Esau—Thermodynamics of Order and Chaos
And these are the chronicles of Isaac… (Genesis 25:19) So Esau went unto Ishmael, and took unto the wives that he had Mahalath the daughter
November 23, 2020 / 7 Kislev 5781
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Chanukah Menorah – the River of Time
In a Kabbalistic meditation on lighting Chanukah Menorah, the Arizal links the menorah lights with a supernal river (see Candle on the River). The Arizal’s
December 9, 2018 / 1 Tevet 5779
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