Five-Hundred-Year-Journey
Alexander Poltorak Abstract This essay addresses the anigmatic statement of the Jewish Sages, stating that G-d created this world with the letter Heh and the
August 11, 2025 / 17 Av 5785
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yetzirah
Four Classical Elements: Development and Reinterpretation
The parallels we have uncovered between the four elements, the letters of the Tetragrammaton, and the worlds of Seder Hishtalshelut suggest that the ancient sages
November 27, 2024 / 26 Heshvan 5785
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Bet HaMikdash as a Singularity in Space-time
Introduction In this essay, I intend to draw a parallel between the singularity in space-time, such as the putative point of origin of the universe
August 14, 2024 / 10 Av 5784
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The Standard Model
Introduction What could the Standard Model of particle physics possibly have in common with biblical accounts of the Israelites’ travels in the Sinai Desert, Kabbalistic
May 25, 2023 / 5 Sivan 5783
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Cartesian Dualism, Kabbalah, and Quantum Mechanics
Cartesian dualism, or mind-body dualism, formulated by the French scientist, mathematician, and philosopher René Descartes (1596–1650), holds that the body and the mind (which he
January 22, 2023 / 29 Tevet 5783
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What is a Soul? III. The Many Souls of Man
…[H]e who tries to cure the soul, wishing to improve the moral qualities, must have a knowledge of the soul in its totality and
December 15, 2021 / 11 Tevet 5782
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What Is a Soul? II. Anatomy of the Soul
In the biblical story of the creation of Adam, the Torah states: Then the Eternal G‑d formed man of the dust of the ground, and
November 5, 2021 / 1 Kislev 5782
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Noah’s Ark—Three Layers of Reality
A light shalt thou make to the ark…with lower, second, and third stories shalt thou make it. (Genesis 6:16) We mentioned in the previous posts
October 28, 2020 / 10 Heshvan 5781
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Abraham Meets Abraham From a Parallel Universe
And he [Abraham] lifted up his eyes and looked, and, lo, three men stood over against him… (Genesis 18:2) On this blog, we often discuss
November 2, 2017 / 13 Heshvan 5778
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Five Worlds
Today, Yud Shvat, is the yartzeit (anniversary of passing) of the sixth Lubavitcher Rebbe, Rabbi Yosef Yitzchak Schneersohn, a.k.a. the Rebbe Rayatz, or the Frierdiker
February 6, 2017 / 10 Shevat 5777
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The Fifth Force – Epilog
This post is a continuation and the conclusion of the previous post, THE FIFTH FORCE. Aside from the connection with the last week’s Torah portion,
October 13, 2016 / 11 Tishri 5777
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Adam Kadmon and Holographic Universe
Dedicated to the memory of Professor Yaakob David Bekenstein The Torah opens with the word “Bereshit” – in the Beginning – whose first letter, Bet,
October 11, 2015 / 28 Tishri 5776
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Creatio ex Nihilo and the Number Theory
As we began this Shabbat reading the Fourth Book of Torah—Numbers, I thought, it would be appropriate to post on this blog an excerpt from
May 25, 2014 / 25 Iyyar 5774
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