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
7 Comments
yisod
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
4 Comments
Breaking Symmetry
And Moses turned, and went down from the mount, with the two tablets of the testimony in his hand; tablets that were written on both
March 4, 2018 / 17 Adar 5778
2 Comments
Fractal Patterns in the Torah
In the Torah portion Emor (Leviticus 21:1–24:23), we are instructed to abstain from work every seventh day on Shabbat. Next week’s Torah portion, Behar, continues
May 31, 2016 / 23 Iyyar 5776
1 Comment
Shabbat in Numbers
Last week Torah portion, Emor, speaks about the prohibition of working on Shabbat. In fact, the Talmud enumerates precisely 39 categories of labor forbidden on
May 22, 2016 / 14 Iyyar 5776
2 Comments
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
1 Comment
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
1 Comment
Forty Two Journeys to the Answer to the Ultimate Question of Life, the Universe, and Everything
These are the journeys of the children of Israel… (Numbers 33:1) When G-d brought the Jews out from Egypt, He brought them out with the mystery of
July 27, 2014 / 29 Tammuz 5774
4 Comments
