Radetsky’s Law

Summary

A named late-empire physics principle, quoted verbatim by The Ertian Surgeon in his Empiral Archive explanation of Causations:

Radetsky’s Law states that the cosmos doesn’t work under standard time dependency. That is, time is something humans may find comforting, and do indeed have to exist in, but is entirely irrelevant as far as the universe is concerned.

The law’s engineering consequence — and the reason it matters in Ch. 05 — A Dictionary — is that quiet-chamber messaging does not just depend on present-tense causal isolation. It depends on future-tense causal isolation too. If, at any point in the entire future history of the universe, someone opens the sealed chamber and breaks its causal disconnect, the message was never sent in the first place. The past is rewritten retroactively because the cosmos doesn’t privilege “now.”

This drives an extraordinary operational practice: used quiet chambers have to be constructed from solid plasma (chosen to survive up to the heat death of the universe) and then hidden across the galaxy by a dedicated Marquis voidfleet branch, so no “barbarian in the distant future” ever breaks the seal. Short of equipment failure, the only reason a message won’t transmit is that someone, someday, is going to open the chamber — which is how the Hypergeometric Quiet Chamber effectively lets the future veto the present.

The law is the cleanest in-book statement so far of the book’s recurring flirtation with closed-time and present-tense-is-a-prejudice — the same instinct that shows up in the Dictionary’s definition of Retrounification (“send information along a closed timelike curve”) and in Eda’s musing about a “loop in a loop in a loop.”

In the book

• Ch. 05 — A Dictionary: Named and defined in the quiet-chamber exposition.

Real-world grounding

• Block-universe / eternalist interpretations of spacetime, in which “now” has no privileged ontological status.
• The self-consistency principle for closed timelike curves (Novikov).

Related

• Causations, Hypergeometric Quiet Chamber, The Dictionary
• Polly Hare — whose decohered-particle work is the tool Radetsky’s Law constrains.

Open questions

• Who was Radetsky? Unstated. Presumably a post-Polly Hare hypergeometrist.
• Does Radetsky’s Law also constrain Topology Casting, which is likewise an “instantaneous across the galaxy” technology?