siliconshaman: black cat against the moon (Default)
siliconshaman ([personal profile] siliconshaman) wrote in [personal profile] kengr 2020-09-20 11:15 pm (UTC)

paramagnetic materials

Aluminium is paramagnetic. Anodised aluminium can be gold in colour, early anodising produced a deep layer so a file might not have exposed the silvery aluminium underneath.

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