A card from a free library — ask anything, no account, works offline. Every card carries its source.

Capacity - Shannon's ceiling

net

A channel carries at most C = B log2(1+S/N) bits/s (Shannon); no code beats it. Packets and error-correction live under it.

source

Narrow Highway — net

card id

card_net_capacity

address

WIT.codex.FCT/capacity-shannon-s-ceiling/REF.WITNESSED@narrow-highway

adjoining cards

part of → Networking — addresses, packets, and capacity — a pillar (Capacity - Shannon's ceiling)
connects at → The instruments — every verifier and validator, and where they join — the Shannon-Hartley capacity - the information instrument