Stability of cylindrical tubes made from square packed magnetic balls

Stability of cylindrical tubes made from 60 square packed magnetic balls of diameter 5mm, mass 0.5g and magnetic flux density 1.19 T. While a stack of 10 rings is stable, a stack of 12 rings collapses under the influence of gravity.
Date:
06 February 2017
Copyright OIST (Okinawa Institute of Science and Technology Graduate University, 沖縄科学技術大学院大学). Creative Commons Attribution 4.0 International License (CC BY 4.0).
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