ext_60760 ([identity profile] solanpolarn.livejournal.com) wrote in [personal profile] wiseheart 2014-10-07 09:43 am (UTC)

Thank you! It did, or at least I thought so. The students seemed to follow my reasoning, and were properly impressed by the demonstration I did for them of my (super)paramagnetic putty swallowing a permanent magnet:

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