Sukkot and the Standard Model
And ye shall take you on the first day the fruit of goodly trees, branches of palm-trees, and boughs of thick trees, and willows of
October 6, 2023 / 21 Tishri 5784
No Comments
lulav
Sukkot — Bringing Time into Space
Jews have a very strange custom to take four species (Heb. arba’a minim)—a fruit of a citron tree (etrog), a branch of a date palm (lulav), boughs from the myrtle tree (chadassim),
October 18, 2019 / 19 Tishri 5780
3 Comments
Three-and-a-half Hakafot — Topology of Simchat Torah
Why is this night different from all other nights, asks a child on the Seder night. On this Simchat Torah I asked a different question—why
October 15, 2017 / 25 Tishri 5778
No Comments
Unified Field Theory… and Practice
Albert Einstein had a lifelong quest—to develop a unified field theory—the theory that would describe as a single field gravity and electromagnetism (just as Maxwell
October 16, 2016 / 14 Tishri 5777
3 Comments
Menorah
Speak unto Aaron, and say unto him: “When thou lightest the lamps, the seven lamps shall give light in front of the menorah.” (Num. 8:1)
June 8, 2014 / 10 Sivan 5774
No Comments
Paradox of the Red Heifer
Speak to the children of Israel and have them take for you a perfectly red unblemished cow, upon which no yoke was laid… The cow
June 24, 2013 / 16 Tammuz 5773
1 Comment
