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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sephirotic tree
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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Fractal Tu B’Shevat
When thou shalt besiege a city a long time, in making war against it to take it, thou shalt not destroy the trees thereof by
January 21, 2019 / 15 Shevat 5779
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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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On Change
We all know that we leave in a three-dimensional world. Up-down, right-left, forward-backward – these are well-familiar to us directions in three dimensions of space
May 16, 2015 / 27 Iyyar 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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Mezuzah and Time
Bo: Exodus 10:1 – 14:16 The Erev Shabbat parshat Bo (the Eve of Sabbath of the week when we read the Torah section Bo) 2014
January 5, 2014 / 4 Shevat 5774
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