A Guideline of Performing Ibadah at the International Space Station [pdf]
A guideline for Muslim astronauts on the ISS on performing ibadah in microgravity, covering prayer times, qibla direction, wudu, salat movements, and Ramadan fasting.
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A new paper by Thomas Bloom, Will Sawin, Carl Schildkraut and Dmitrii Zhelezov disproves a well-known conjecture in additive combinatorics. The result shows there exist arbitrarily large finite sets A of real numbers where max(|A+A|,|AA|) ≤ |A|^{2-c}. The solution was achieved by humans using methods related to an earlier AI solution to the unit distance conjecture.
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