| Title | Once in a Jew Moon |
|---|---|
| Contributor | David H. Silver(author) |
| DOI | https://doi.org/10.11647/OBP.0526.26 |
| Landing page | https://www.openbookpublishers.com/books/10.11647/obp.0526/chapters/10.11647/obp.0526.26 |
| License | https://creativecommons.org/licenses/by-nc/4.0/ |
| Copyright | David H. Silver |
| Publisher | Open Book Publishers |
| Published on | 2026-04-08 |
| Long abstract | The Jewish calendar was developed for witnesses observing the new moon. So when witnesses claimed they saw the new moon “in the morning east and evening west,” Rabban Gamliel accepted their impossible testimony, then ordered Rabbi Yehoshua to violate his own calculated Yom Kippur — establishing that communal unity is more important than astronomical accuracy. From Arctic whalers to orbital Shabbat, each generation learns that “it is not in heaven” — religious law belongs to human authorities grappling with reality, not perfect celestial mechanics. |
| Print length | 10 pages |
| Language | English (Original) |
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| Landing Page | Full text URL | Platform | |||
|---|---|---|---|---|---|
| https://www.openbookpublishers.com/books/10.11647/obp.0526/chapters/10.11647/obp.0526.26 | Landing page | https://books.openbookpublishers.com/10.11647/obp.0526.26.pdf | Full text URL |
David H. Silver is an industrial researcher whose career bridges computer vision, computational biology, and science communication. He studied mathematics, computer science, and biology at the Technion — Israel Institute of Technology as a Rothschild Scholar, and was awarded a Microsoft Research PhD Fellowship for his doctoral work in computational biology at Cambridge, UK. Silver’s peer-reviewed publications span multiple domains: computational biology in Nature and PNAS; computer vision systems in IEEE Transactions on Pattern Analysis and Machine Intelligence; medical AI in Human Reproduction and MIDL; and entertainment analysis in PLoS One. He holds over a dozen patents in depth sensing, medical imaging, and generative AI. His industry positions include Algorithm Engineer at Intel Corporation, ML Researcher at Apple, and CTO/co-founder roles at several technology startups. Silver maintains academic collaborations with researchers worldwide and serves as a peer reviewer for Image and Vision Computing and PNAS.