39
1067 days ago
Lots o round magnets. simple cubic packing is stable. HCP (cannonballs) not or barely so, due to dipoles.
Physics prof. Cyclist (commuter & racer), vegan, happily married with 2 in U and Maxwell the wonder dog. Doing FOSS and open courseware for over 20 years.
39
1067 days ago
Lots o round magnets. simple cubic packing is stable. HCP (cannonballs) not or barely so, due to dipoles.
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