Pesach as the Fulfillment of Creation
“Why is this night different from all other nights?” The child’s question at the Seder is asked about a single evening, but it opens onto
April 1, 2026 / 14 Nisan 5786
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Freedom
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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Shemini,Phase Space,Hamiltonian Mechanics: Kabbalah and Physics of Seven and Eight
By Alexander Poltorak Abstract The Torah portion of Shemini records the climactic eighth day of the Tabernacle’s dedication, the moment when divine fire finally descends.
April 28, 2025 / 30 Nisan 5785
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The Symbolism of the Menorah
The Temple Menorah served as a lighthouse, illuminating darkness and providing purpose and direction.
June 23, 2024 / 17 Sivan 5784
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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.
May 19, 2020 / 25 Iyyar 5780
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Fitting Pieces of the Puzzle Together
Meditations on the Maaseh Merkavah – IV This is the fourth and the final installment in the series of posts related to Ezekiel’s prophesy, Ma’aseh
June 21, 2019 / 18 Sivan 5779
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613 Degrees of Freedom
Passover has ended. All Jews hastily return their Passover dishes to storage in special cabinets or the attic until the next Passover. After an eight-day
June 6, 2014 / 8 Sivan 5774
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Four Cups and Three Matzoth
On Seder night we drink four cups of wine and eat three matzoth. Why four cups and not three? Why three matzoth and not four?
April 20, 2014 / 20 Nisan 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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Pesach – Time of our Freedom
The holiday of Passover – Pesach – is called zman cheruteinu– time of our freedom. As we have discussed many times on this blog (see
April 18, 2014 / 18 Nisan 5774
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Freedom in Space, Time and Spirituality
And the entire Mount Sinai smoked because the Lord had descended upon it in fire, and its smoke ascended like the smoke of the kiln…
May 18, 2013 / 9 Sivan 5773
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