John Preskill is a very interesting physicist, and he will become the next Loeb lecturer at Harvard next month.
At the faculty lunch seminar, Xi Yin was deriving OSV from M-theory, using the "AdS3 x S2 x CY3" near-horizon geometry (work with Andy Strominger and Davide Gaiotto) of M5-branes wrapped on some four-cycles of the three-fold. If I will time, I will describe it in some more detail.
Music Festivals, Bluetooth Monitoring and the Behavior of Crowds
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The unexpected behaviour of crowds at one of Europe’s largest music
festivals should help organisers plan future events, say researchers
2 hours ago
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