Caves 'n' potholes
The best of the rest from the Physics arXiv this week:
The Magnetic Field Of Betelgeuse: A Local Dynamo From Giant Convection Cells?
Phase Transition Induced Fission in Lipid Vesicles
The Puzzle of High Temperature Superconductivity in Layered Iron Pnictides and Chalcogenides
E-Speed Governors For Public Transport Vehicles
Positive Energy Wormholes Made from Normal Charges
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