We don't know a way to precisely place atoms in a checkerboard pattern like that, without getting it so hot that the arrangement is destroyed.
replyIt maybe could be possible but beyond the reach of current material science.
I personally thinks that’s the more optimistic of the two options; I’ll take it as a win for today
reply"Likely Impossible" as in, we would need a revolutionary discovery in how thermodynamics apply to crystal formation.
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