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Noah’s Ark—A Model of a Living Cell

Make thee an ark of gopher wood; with rooms shalt thou make the ark, and shalt pitch it within and without with pitch” (Genesis 6:14) A light shalt thou make to the ark, and to a cubit shalt thou finish it upward; and the door of the ark shalt thou set in the side thereof; with lower, second, and third stories shalt thou make it. (Genesis 6:16) And of every living thing of all flesh, two of every sort shalt thou bring into the ark, to keep them alive with thee; they shall be male and female. (Genesis 6:19) And the Eternal said unto Noah: ‘Come thou and all thy house into the ark…’ (Genesis 7:1)   Kabbalah teaches that Noah’s ark was a microcosm of the world. The ark appears to be [...]

By |2020-10-22T13:32:09-04:00October 20th, 2020|Bereshit, Biology, Genesis, Noach, Parshah, Pentateuch (Chumash), Uncategorized|1 Comment
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Tzimtzum III—Renormalization—Sweeping Infinites Under the Rug

Sweeping Infinities Under the Rug—or Renormalization Having dealt with internal contradictions in the previous section (see Physics of Tzimtzum I — The Quantum Leap and Physics of Tzimtzum II — Collapse of the Wave Function), we are left with another problem—infinity. Although G‑d concealed His self-contradictory nature by “sweeping paradoxes under the rug” in the process akin to the collapse of the wave function, the Light of the Infinite (Ohr Ein Sof) filled the whole of existence with infinite Divine emanation. This infinite radiation left no room for any finite creation to emerge. What was G‑d to do? Having aced the exam on quantum field theory with flying colors, G‑d employed the favorite trick of theoretical physicists in sweeping infinities under the rug using what is called “renormalization.”[1] Roughly speaking, renormalization solves the [...]

By |2020-10-14T20:39:04-04:00October 14th, 2020|Bereishit, Bereshit, Creation, Deuteronomy, G‑d, Kabbalah, Mathematics, Parshah, Pentateuch (Chumash), Physics, Quantum Field Theory, Quantum Theory, Relativity, Space, Standard Model, Tzimtzum, Uncategorized, Uncertainty Principle, Zohar|1 Comment
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Nobel Prize for Research on Black Holes

Congratulations to Roger Penrose, Reinhard Genzel, and Andrea Ghez for wining the 2020 Nobel Prize in Physics for their contributions to establishing the existence of black holes. A black hole is an object with an infinite density of matter and curvature of space-time. Black holes typically form when a massive star (at least ten times the mass of the sun) runs out of fuel, and the outward pressure of nuclear explosions inside the star can no longer compensate for the inward pressure of gravity. When that happens, the star collapses in a phenomenal explosion called a supernova. All the matter of the star implodes into the singularity—the center of the star. According to Einstein’s general theory of relativity, the density and space-time curvature at the center become infinite. In the real world, of [...]

By |2020-10-06T22:49:40-04:00October 6th, 2020|Tzimtzum, Uncategorized|3 Comments
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Physics of Tzimtzum II — Collapse of the Wave Function

In the previous post “Physics of Tzimtzum I—The Quantum Leap”, we gave a general overview of the mystical doctrine of tzimtzum—the cornerstone of Lurianic Kabbalah. It is time to get into the details. The first phrase that describes the process of tzimtzum in Etz Chaim states: Ein Sof “contracted” (tzimtzem) Himself in the point at the center, in the very center of Ohr Ein Sof. This sentence raises several difficult questions: First, what could it possibly mean that the Infinite (Ein Sof) “contracted” (tzimtzem) Himself? In Hebrew, the word tzimtzum comes from the root TZM, which means “to diminish” or “to fast,” that is, to “diminish” oneself.[1] It can also mean “to be precise,” that is, to remove ambiguity.[2] The repetition of the root TZM is a grammatical form of doubling down, an extreme [...]

By |2022-09-29T22:04:50-04:00September 11th, 2020|Bereishit, Bereshit, Collapse of the wavefunction, Creation, Genesis, G‑d, Kabbalah, Names of G‑d, Parshah, Pentateuch (Chumash), Quantum Theory, Relativity, Superposition, Tzimtzum, Uncategorized, Wavefunction, Wavefunction of G‑d|0 Comments
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Physics of Tzimtzum I — The Quantum Leap

Introduction “In the beginning G‑d created the heavens and the earth.” (Genesis 1:1) “In the beginning G‑d created the heavens and the earth,” the Torah says. However, what was before the “beginning”? It is like asking, What was before the Big Bang? In physics, until relatively recently, such questions were discouraged. The prevailing wisdom was that time and space had been created by the Big Bang, and there was no “before” before the Big Bang. Mishnah discourages such thinking, too. The sages point out that the first letter of the Torah, the letter bet, is open on the left and closed on the right:[1] The text of the Torah and the history of the world proceed from that opening on the left. The closed right side of the letter bet visually walls off [...]

By |2020-08-25T19:56:59-04:00August 17th, 2020|Atomic Theory, Bereishit, Bereshit, Cosmology, Creation, Genesis, G‑d, Kabbalah, Mathematics, Names of G‑d, Parshah, Pentateuch (Chumash), Physics, Quantum Theory, Space, Spirituality, Tzimtzum, Uncategorized, Zohar|5 Comments
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Quantum Cheshire Cat vs. Venomous Snakes

A Study in Form and Matter And Moses prayed for the people.  And the Eternal said unto Moses: “Make thee a fiery serpent, and set it upon a pole; and it shall come to pass, that every one that is bitten, when he seeth it, shall live.” And Moses made a serpent of brass, and set it upon the pole; and it came to pass, that if a serpent had bitten any man, when he looked unto the serpent of brass, he lived. (Numbers 21:8-9)   The Torah portion, Chukat, tells a bizarre story. Jews complain against G‑d and Moses. G‑d gets angry and sends venomous snakes that bite and kill many Jews. The people repent and ask Moses to pray for them. In response to Moses’s prayer, G‑d instructs him to make a [...]

By |2020-07-07T12:50:50-04:00July 6th, 2020|Biology, Chukat, Creation, Kabbalah, Numbers, Parshah, Pentateuch (Chumash), Quantum Theory, Tzurah and Chomer, Uncategorized|5 Comments
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Getting a Blessing Through a Wormhole

And it came to pass on the morrow, that Moses went into the tent of the testimony; and, behold, the rod of Aaron for the house of Levi was budded, and put forth buds, and bloomed blossoms, and bore ripe almonds. (Bamidbar 17:23)   In the Torah portion we read last Shabbat, G‑d instructs Moses to Speak to the children of Israel and take of them rods, one for each fathers’ house… thou shalt write every man’s name upon his rod.” (Bamidbar 17:17) As we read in verse 23, the next morning, Aaron’s rod (i.e., staff) bore ripe almonds. Rabbi Schneur Zalman of Liadi asks the question, why almonds?[1] If the staff of Aaron had blossomed with any flowers or fruits, that would have been enough to miraculously demonstrate to the children of [...]

By |2020-06-30T20:27:00-04:00June 30th, 2020|Bamitbar, Korach, Numbers, Parshah, Pentateuch (Chumash), Relativity, Sefirot, Uncategorized|0 Comments
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My Name Is G‑d, and I Am Pleased to Make Your Acquaintance

In the beginning, G‑d created the heaven and the earth...[1] (Genesis 1:1)   Classical biblical commentators have given the first words of the Torah many different translations and have interpreted them to have many different meanings. That said, one simple aspect has received little attention—that G‑d is introducing Himself to us. If we take poetic license and change the order of the words, the first phrase in the Torah could be loosely translated as: “[My name is] G‑d—[Who], in the beginning, created the heaven and the earth.” G‑d is introducing Himself to us as the Creator of everything—heaven (i.e., the spiritual) and earth (i.e., the material). This interpretation of the first verse in the Torah may be helpful for the following reason. In truth, G‑d is entirely unknowable. The Creator of everything, including [...]

By |2020-05-25T18:18:41-04:00May 25th, 2020|Bereishit, Bereshit, Creation, Entanglement, G‑d, Mathematics, Names of G‑d, Parshah, Physics, Quantum Theory, Science, Spirituality, Superposition, Uncategorized, Wavefunction|1 Comment
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Shavuot (in Russian)

Шавуот Праздник Дарования Торы Aлександр Полторак    Закончился праздник Песах.  Все евреи поспешно убрали пасхальную посуду в особые шкафы или на чердаки до следующего Песаха.  В домах появились после восьмидневного перерыва свежеиспечённые булки. Наступили будни... Прошедший праздник оставил во рту приятный привкус подгоревшей мацы, воспоминания о Седере, проведенном в кругу семьи, рассказы об Исходе. Но закончился ли на этом Песах? Мораль и Свобода Выбора Вспомним, что главная идея Песаха это идея свободы, свободы от рабства Египетского или иного, физического или духовного. Итак, Бог вывел еврейский народ из Египта, сделал нас свободными людьми. Но стали ли мы свободными, освободившись от гнёта египетских надсмотрщиков?  Подчас, раб, освобождённый своим хозяином, остаётся у него добровольно, ибо некуда и незачем ему идти, нет у него ни места, ни смысла жизни...  Что же это всё-таки такое, свобода? О свободе [...]

By |2020-05-19T19:00:17-04:00May 19th, 2020|Freedom, Holidays (Yomim Tovim), Passover (Pesach), Physics, Shavuot, Uncategorized|2 Comments
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The Soul is in the Blood

For the life of the flesh is in the blood." (Leviticus 17:11) The word translated here as “life” in the Hebrew original is nefesh, i.e., “soul.” Torah appears to be telling us that soul of every live creature is in its blood. Indeed, Rabbi Schneur Zalman of Liadi says so explicitly in the Tanya: The abode of the animal soul derived from kelipat nogah in every Jew is in the heart; in the left ventricle, as it is filled with blood, and it is written, 'For the blood is the soul' (nefesh)…. just as the blood has its source in the heart, and from the heart it circulates into every organ…" (Likkutei Amarim, 9)[1] The animal soul is primarily vested in the blood (from where it spreads to the whole body and beyond). What does [...]

By |2021-12-31T14:54:36-05:00May 4th, 2020|Acharei Mot, Biology, Ezekiel, Kabbalah, Leviticus, Names of G‑d, Parshah, Pentateuch (Chumash), Science, Sefirot, Soul, Spirituality, Uncategorized, Zohar|6 Comments
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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 second day of Passover (the first day of the barley harvest in the land of Israel, when the wave-offering of the omer, i.e., “sheaf,” of ripe barley was made in the Jerusalem Temple) and finish on the eve of Shavuot—the day when two loaves of bread made of wheat were offered at the Temple. There are exactly seven weeks (forty-nine days) between these two holidays; we are commanded to count the weeks and the days. These forty-nine days are called days of Sefirat HaOmer (the days of “counting the Omer”) or, simply, days of Sefirah ("counting"). This commandment is given in the following verses of the Torah: And [...]

By |2024-05-17T18:10:51-04:00April 28th, 2020|Fractals, Kabbalah, Mashiach (Messiah), Omer, Sefirot, Shavuot, Spirituality, Sukkot, Uncategorized, Zohar|2 Comments
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Nadab and Abihu — Tragedy in Time

And Nadab and Abihu, the sons of Aaron, took each of them his censer, and put fire therein, and laid incense thereon, and offered strange fire before the Eternal, which He had not commanded them. And there came forth fire from before the Eternal and devoured them, and they died before the Eternal. (Exodus 10:1-2) And Aaron spoke unto Moses: ‘Behold, this day have they offered their sin-offering and their burnt-offering before the Eternal, and there have befallen me such things as these; and if I had eaten the sin-offering to-day, would it have been well-pleasing in the sight of the Eternal? And when Moses heard that, it was well-pleasing in his sight. (Leviticus 10:19) The Torah Portion Shemini tells two stories: One of the tragic death of two sons of Aaron—Nadab (Nadav) and Abihu [...]

By |2020-10-15T22:44:23-04:00April 19th, 2020|Ezekiel, Leviticus, Parshah, Pentateuch (Chumash), Shemini, Tanakh, Time, Tzav, Uncategorized, Vayikra|0 Comments
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Salt: The Covenant of the Opposites

And every meal-offering of thine shalt thou season with salt; neither shalt thou suffer the salt of the covenant of thy G‑d to be lacking from thy meal-offering; with all thy offerings thou shalt offer salt." (Leviticus 2:13)   Torah dictates that all offerings to G‑d must be brought together with salt. Classical commentators ask: What is so special about salt that it is an indispensable ingredient of any sacrifice? Moreover, why is it called the covenant of salt? Nachmanides explains: The Torah also uses this covenant as a model for other covenants, as both the priestly covenant[1] and the Davidic covenant[2] are called “covenant of salt” because they are upheld just as the sacrificial covenant of salt…. I am of the opinion that the significance is that the salt is water, which [...]

By |2020-04-01T23:00:14-04:00March 31st, 2020|Chemistry, II Kings, Kabbalah, Leviticus, Parshah, Pentateuch (Chumash), Science, Sefirot, Uncategorized, Vayikra, Vayikra, Zohar|2 Comments
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The Surrounding Light and the Penetrating Light

The Torah portion Vayakhel deals with the construction of the Mishkan, i.e., the “Tabernacle.” In Kabbalah, the Mishkan is viewed as a microcosm that represents a miniature model of the entire universe—both physical and spiritual. The Mishkan was comprised primarily of two categories of objects. The first category included the coverings that made up the roof and the walls surrounding the Mishkan. The second category included kelim—the objects inside the Mishkan. This is not the first time the description of the coverings and kelim appear in the Torah. In the Torah portion Teruma, G‑d gives Moses detailed instructions for the construction of the Mishkan. Interestingly, in Teruma, G‑d first speaks of the kelim and then of the coverings, whereas in Vayakhel, when Moses instructs the Jewish people, he reverses the order and first [...]

By |2020-03-24T11:13:40-04:00March 23rd, 2020|Exodus (Shemot), Kabbalah, Parshah, Pentateuch (Chumash), Physics, Sefirot, Shemot, Uncategorized, Vayakhel, Zohar|2 Comments
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Wigner’s Friend Receives a Death Threat

It is related that on the day that Rabbi Yehuda HaNasi died, the Sages decreed a fast, and begged for divine mercy so that he would not die. And they said: Anyone who says that Rabbi Yehuda HaNasi has died will be stabbed with a sword. (Talmud, tr. Ketubot 104a)   We find an interesting example of the Wigner’s Friend paradox in the Gemara quoted above. The Gemara discusses the circumstances surrounding the death of Rabbi Yehuda HaNasi (Juda the Prince, knows simply as the Rebbi), one of the greatest sages of Israel, who compiled Oral Torah in the Mishnah. Why did the Sages issued a death threat to “anyone who says that Rabbi has died” promising that he “will be stabbed with a sword”? The medieval Talmudist Rabbi Bezalel Ashkenazi (1520-1592), in [...]

By |2023-03-23T18:17:23-04:00March 19th, 2020|Bayesian probability, Collapse of the wavefunction, Physics, Quantum Theory, Relativity, Superposition, Uncategorized, Wavefunction|2 Comments
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Ki Tisa Hints at the Coronavirus

On the Eve of Shabbat, we received a government mailing containing documents that we were required to fill out and send back to the Census Bureau. The connection between the Census and the plague was not lost on me. The Torah portion we read last Shabbat, Ki Tisa. It begins with the story of the census: When you count the children of Israel according to their numbers, let each one give to the Lord an atonement for his soul when they are counted; then there will be no plague among them when they are counted.” (Exodus 30:12) This verse, linking the census with a plague, was uncanny in view of the COVID-19—Coronavirus pandemic—the modern-day plague, in the midst of which we find ourselves today. Interestingly, the word “count” in the verse above is [...]

By |2020-03-18T18:06:46-04:00March 16th, 2020|Biology, Exodus (Shemot), Ezekiel, Isaiah, Kabbalah, Ki Tisa, Mashiach (Messiah), Parshah, Pentateuch (Chumash), Sefirot, Shemot, Uncategorized|2 Comments
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In the Beginning — It’s All About Change

In the beginning G‑d created the heaven and the earth. (Genesis 1:1)   The first verse in the Torah is key to understanding the fundamentals of creation. As far as physics is concerned, there are three key words in this verse, which are highlighted in bold: In the beginning G‑d created the heaven and the earth. According to Nachmanides, these three words—“beginning,” “heaven,” and “earth”—represent, respectively, time, space, and matter. It is easy to see that the “beginning” stands for time, because the “beginning” is clearly a temporal concept that sets off the beginning of time; that “heaven” is a metaphor for space, because the stars and the planets are perceived to be in the sky (i.e., heaven) when, in fact, they are moving in space;[1] and that “earth” is emblematic of matter, [...]

By |2020-10-15T23:02:15-04:00March 11th, 2020|Bereishit, Bereshit, Creation, Ezekiel, Genesis, Kabbalah, Parshah, Pentateuch (Chumash), Relativity, Sefirot, Space, Spirituality, Time, Uncategorized|4 Comments
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Abel and Cain Conflict—Wave-Particle Duality

…And Abel was a keeper of sheep, but Cain was a tiller of the ground. And in process of time it came to pass, that Cain brought of the fruit of the ground an offering unto the Eternal. And Abel, he also brought of the firstlings of his flock and of the fat thereof. And the Eternal had respect unto Abel and to his offering; but unto Cain and to his offering He had not respect. And Cain was very wroth, and his countenance fell. And the Eternal said unto Cain: “Why art thou wroth? and why is thy countenance fallen? If thou doest well, shall it not be lifted up? and if thou doest not well, sin coucheth at the door; and unto thee is its desire, but thou mayest rule over it.” And Cain spoke unto Abel [...]

By |2020-03-02T20:59:56-05:00February 28th, 2020|Atomic Theory, Bereishit, Bereshit, Genesis, Parshah, Pentateuch (Chumash), Physics, Quantum Field Theory, Quantum Theory, Uncategorized, Uncertainty Principle|0 Comments
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Primordial Serpent—the Incurable Atomist

Now the Serpent was more cunning than any beast of the field which the Eternal G‑d had made. (Genesis 3:1)   When G‑d placed Adam in the Garden of Eden, He issued a decree: And the Eternal G‑d commanded the man, saying: “Of every tree of the garden thou mayest freely eat.” (Genesis 2:16) Having commanded man to eat from every tree of the garden, including the Tree of Life and the Tree of Knowledge, G‑d qualified His command: “but of the tree of the knowledge of good and evil, thou shalt not eat of it; for in the day that thou eatest thereof thou shalt surely die.” (Genesis 2:17) There appears to be some dissonance between verses 16 and 17. Verse 16 uses two words, akhol tokhel, each of which shares the [...]

By |2020-02-14T16:54:15-05:00February 14th, 2020|Atomic Theory, Bereishit, Bereshit, Genesis, Parshah, Pentateuch (Chumash), Physics, Time, Uncategorized, Wavefunction|3 Comments
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It Is Not Good For Man To Be Alone

And the Eternal G‑d said: “It is not good that the man should be alone; I will make him a helpmate opposite him.” (Genesis 2:18)   The end of this verse is rather puzzling. Why would the woman designated as a helpmate for Adam be opposite (literally “against”) him? One can perhaps soften things by translating the Hebrew eizer kenegdo as “counterpart.” However, in a literal translation, the question remains. A simple explanation is well known: if a man is worthy, his wife would be his best friend, ally, partner, companion, and helpmate. If the man is not worthy, however, his wife would be his opponent and antagonist. An esoteric interpretation offered by Rabbi Shneur Zalman of Liadi, in his commentary on this verse in “Torah Ohr,”[1] provides a deeper meaning. He writes [...]

By |2020-02-07T13:30:15-05:00February 7th, 2020|Bereishit, Bereshit, Collapse of the wavefunction, Creation, Genesis, G‑d, Isaiah, Kabbalah, Names of G‑d, Parshah, Pentateuch (Chumash), Physics, Sefirot, Space, Symmetry, Time, Uncategorized, Wavefunction, Zechariah|0 Comments
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