Einstein-Rosen Bridge

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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. During Chol HaMoed Sukkot, I visited my mentor and friend, Rabbi Benzion Feldman. I shared with him that, while sitting in our sukkah, my wife and I had discussed the possibility of making Aliyah to Israel. Rabbi Feldman smiled and said, “The reason you and your wife were thinking about Israel while sitting in your sukkah is that the air in the sukkah is the air of Eretz Yisrael.” Indeed, Eretz Yisrael is under constant divine watchfulness, as it says: A land which the Lord your G-d cares for; the eyes of the Lord your G-d are always upon it. (Deuteronomy 11:12) The sukkah also symbolizes G­‑d's protection [...]

By |2024-10-22T10:10:04-04:00October 21st, 2024|Holidays (Yomim Tovim), Sukkot, Uncategorized|1 Comment

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 [...]

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