Gazing at the Shekhinah
In his commentary on this week’s Torah Portion, Yitro, Rabbi Chayim Vital, writing in the name of his teacher, the Ari-zal, states that Abel was
February 4, 2024 / 25 Shevat 5784
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Bayesian probability
Wigner’s Friend Receives a Death Threat
It is related that on the day that Rabbi Yehuda HaNasi died, the Sages decreed a fast, and begged for divine mercy so that he
March 19, 2020 / 23 Adar 5780
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Leprous Cats and Angry Birds
In the Torah portion Tazriah (Leviticus 13), the Schrödinger cat[1] gets leprosy. Well, it’s not really leprosy, it’s a mysterious supernatural disease called tzara’as, nowadays translated
April 30, 2012 / 8 Iyyar 5772
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