Sukkah: the Portal into the Holy Land
Sukkah: the portal into the Holy Land Sitting with my wife in our sukkah-hut recently, I was struck by a memory from some four decades ago.
October 21, 2024 / 19 Tishri 5785
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wormhole
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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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
August 17, 2020 / 27 Av 5780
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Black Holes and Gravitational Waves
A hole in Kabbalah is called “rah” (evil). The reason for that is, as content is lost due to a leakage through the hole, forces of
February 12, 2016 / 3 Adar I 5776
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