this post was submitted on 18 Oct 2025
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It looks so neat! (infosec.pub)
submitted 2 weeks ago by Stamets@lemmy.dbzer0.com to c/wtf@lemmy.wtf
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[–] freebee@sh.itjust.works 14 points 2 weeks ago

Yes, the bricks have holes in them, after building they are filled with air, which insulates. And often for the outer shell 2 walls are built with an "air" wall in between which used to be just air but now is filled with insulation materials.