A new newsletter (via substack, but currently free) on cybernetics.
Main link:
https://tektology.substack.com/
I’d particularly draw your attention to:
Common Cybernetic Resources (C\cyb) A web of links and resources. Tektological҉ – Serendipity Jul 22 5 12
Common Cybernetic Resources (C\cyb) – by Tektological҉ – Serendipity – Tektological҉’s Newsletter