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02:45
Wait, why? Can't something be designed using the magic materials as a black box?
 
10 hours later…
12:32
Sure, it's magic you can do anything you like. But to call it "black box" is to say "we can't tell how it works, just that it does" - which might be the best way to approach writing it in my view. @IMP9024
We also have a Writing site if you didn't know. Can be usefull.

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