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Inception
Dream sharing / Shared frequency
The PASIV device creates a shared frequency between dreamers. Each dream layer is a deeper band — 1-12 (surface), 13-24 (limbo), 25-36 (pure subconscious).
The Totem / Frequency reference
Cobb's totem is a personal frequency anchor — it tells him which band he's in. The healing machine uses the Schumann resonance (7.83Hz) as its totem.
"Everything is science fiction, until it is just science."
72 Sci-Fi Doors — Band 44