Yom Kippur—The Day of Pure Delight
Yom Kippur means “The Day of Atonement.” Some view it as a frightening day full of regrets of the past and anxiety for the future.
September 15, 2021 / 9 Tishri 5782
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sephirah
Steering Isaac’s Blessing
And Rebekah spoke unto Jacob, her son, saying: “Behold, I heard thy father speak unto Esau thy brother, saying: Bring me venison, and make me
November 22, 2020 / 6 Kislev 5781
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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
March 31, 2020 / 6 Nisan 5780
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The Tree of Life and Wave Mechanics
As we discussed in the earlier post, The Tree of Knowledge as a Metaphor for Superposition of States and Heisenberg’s Uncertainty Principle, the Heisenberg uncertainty
December 30, 2019 / 2 Tevet 5780
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The Primacy of the Prime Numbers
And the messengers returned to Jacob, saying: “We came to thy brother Esau, and moreover he cometh to meet thee, and four hundred men with
December 13, 2019 / 15 Kislev 5780
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Daughters of Zelophehad
Then drew near the daughters of Zelophehad …. of the families of Manasseh, the son of Joseph; and these are the names of his daughters:
July 28, 2019 / 25 Tammuz 5779
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Ẓiẓit, Koraḥ, and Wave-Particle Duality
The Lord spoke to Moses, saying: Speak to the children of Israel and you shall say to them that they shall make for themselves fringes
July 2, 2019 / 29 Sivan 5779
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Relational Space
Meditations on the Maaseh Merkavah – II This post is a sequel to my previous post, “Space – Between Future and Past.” For background information,
June 17, 2019 / 14 Sivan 5779
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Space – Between the Future and the Past
Meditations on the Maaseh Merkavah – I We do science by studying nature. We study physics in a lab, peering into space or working out
June 13, 2019 / 10 Sivan 5779
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The Beard of the Long Face is Found
The previous Lubavitcher Rebbe, the Rebbe Rayatz (a.k.a. the Fridriker Rebbe) told the story about his father, the Rebbe Rashab. Once the brother of Rebbe
August 31, 2018 / 20 Elul 5778
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Shoo Away the Mother Bird
If a bird’s nest chances before thee in the way, in any tree or on the ground, with fledglings or eggs, and the mother sitting
August 24, 2018 / 13 Elul 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
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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Tree of Life or Nothingness
In the Torah portion Shlach (Numbers 13:1-15:41), Moses instructs his spies to scout the land of Canaan and to bring back a report. He says
January 22, 2016 / 12 Shevat 5776
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Yom Kippur – Disentangling the Entangled
When G‑d created the first humans, Adam and Eve (Chavah), He created them as one. And G‑d created man in His own image, in the
September 24, 2015 / 11 Tishri 5776
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The End of Days I
In this Torah portion, Vayechi, Jacob, gathers his children to reveal to them “Ketz HaYamim”–“the End of Days.” Rashi explains that Jacob’s intention was to
January 2, 2015 / 11 Tevet 5775
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Joseph and His Brothers
I grew up in Russia and was raised on the metric system based on decimal arithmetic. When we immigrated to the U.S., I had to
December 14, 2014 / 22 Kislev 5775
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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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It’s the Time, Stupid!
There is a continuous thread about the mastery of time that weaves through the last chapters of the book of Genesis (Bereshit) and continues through
December 31, 2013 / 28 Tevet 5774
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