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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exodus
Erasing the Memory of Amalek: Hysteresis, System-Memory, and the Thermodynamics of Redemption
Synopsis The essay resolves the apparent paradox in the Torah’s dual command to “remember what Amalek did” and simultaneously “erase the memory of Amalek” by
March 3, 2026 / 14 Adar 5786
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Exodus as a First-Order Phase Transition
Dedicated to the speedy and complete recovery of Rachel bat Sarah Introduction The Exodus from Egypt (Yetziat Mitzrayim) can be read as a rapid collective
January 31, 2026 / 13 Shevat 5786
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Egyptian Exile as a Metaphor for Compactification in String Theory
And they made their lives bitter with hard service, in mortar and in brick… Exodus 1:14 On a literal level, the Egyptian exile (Galut Mitzrayim)
January 11, 2021 / 27 Tevet 5781
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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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Tishrei — Past, Present, and Future
The months of Tishrei is full of holidays, and they all share a common theme—the unification of time—past, present, and future. It all starts with
September 29, 2018 / 20 Tishri 5779
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Passover Seder—The Arrow of Time
The Passover Seder is called seder, i.e., “order” not without a reason. It is a highly structured and orchestrated ceremony that follows the ancient script—Passover
March 30, 2018 / 14 Nisan 5778
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The Fifth Force
Now, therefore, write ye this song for you, and teach thou it the children of Israel.” (Deut. 31:19) The four known fundamental forces are: gravitational
October 11, 2016 / 9 Tishri 5777
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Forty Two Journeys to the Answer to the Ultimate Question of Life, the Universe, and Everything
These are the journeys of the children of Israel… (Numbers 33:1) When G-d brought the Jews out from Egypt, He brought them out with the mystery of
July 27, 2014 / 29 Tammuz 5774
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From Purim to Passover
The Shulchan Aruch – the Code of Jewish Law – states that 30 days before Pesach (Passover) one needs to start learning the laws of
April 19, 2014 / 19 Nisan 5774
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Splitting of the Sea
Do you like riddles? Here is a riddle – what do these two figures represent in the context of Exodus? No Idea? How about
January 12, 2014 / 11 Shevat 5774
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I Am Who I Am: Conversation at the Burning Bush
…And behold, the thorn bush was burning with fire, but the thorn bush was not being consumed.” (Ex. 3:2) Every theologian worth his salt along
December 23, 2013 / 20 Tevet 5774
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Moses — the First Scientist
And the angel of the Eternal appeared unto him in a flame of fire out of the midst of a bush; and he looked, and,
December 21, 2013 / 18 Tevet 5774
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Passover, Shabbat and the Principle of Least Action
There is hardly a Jewish holiday more widely celebrated than Passover (Pesach). Jews of all denominations, affiliations, and levels of religious observance, if any at
March 31, 2013 / 20 Nisan 5773
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