{
 "format": "LSC-1",
 "lsc": "LSC-1",
 "edition": "E1",
 "cut": "2026-10-09",
 "name": "THE RELATIVITY CARD",
 "handle": "relativity-card",
 "number": "Nº 1144",
 "house": "THE LABORATORY",
 "wing": "THE ELEVEN MORE LAWS",
 "role": "moving clocks run slow",
 "tagline": "Special relativity in numbers: the factor γ, how far a moving clock falls behind, why navigation satellites' clocks are set to tick slow, how muons reach the ground, and speeds that never add past c.",
 "sigil": "γ",
 "hue": "#2F7D3A",
 "punch": "F053370F58EFBBE6E02347B5",
 "punch_of": "SKILL.md · sha-256 · first 24",
 "score": 98,
 "tier": "LEGENDARY",
 "layer": "WITNESSED",
 "score_line": "SELFTEST 8/8 · FIVE COMMANDS ON THE RECORD",
 "honest_line": "I'm an AI reading a card. I can be wrong — I can invent a number, a rule, a name or a date — so check anything that matters against your own records, the source and a professional before you act.",
 "term": "one purchase · yours to keep · nothing renews itself",
 "free": false,
 "wakes": "someone asks about time dilation, GPS clocks, muons or the speed limit of light",
 "loop": [
  "gamma <speed> · the factor",
  "clock <speed> <trip> · the lag",
  "gps · speed and height, the net drift",
  "muon · its clock against ours",
  "add <u> <v> · never past c"
 ],
 "laws": [
  "**c is the limit.** A speed of c or more is refused before any arithmetic.",
  "**Slow clocks, both effects.** For satellites, speed slows the clock and height speeds it; both are given and labelled, and the net.",
  "**Careful at low speed.** Tiny effects are worked by series, so an airliner's nanoseconds come out right.",
  "**Published checks.** 38.5 µs a day fast for navigation clocks; muons living 15.8 times longer at 0.998 c.",
  "**Speeds add their own way.** (u + v)/(1 + uv/c²), so two halves of c make 0.8 c.",
  "**Plain units.** Seconds, microseconds, nanoseconds, said in words."
 ],
 "never": [
  "let anything reach or pass c",
  "leave gravity out of a satellite clock",
  "mix up whose clock runs slow"
 ],
 "machine": "scripts/relativity.py · gamma · clock · gps · muon · add · selftest",
 "proof": "selftest 8/8 · FIVE commands on the record",
 "faces": [
  "card.svg",
  "card-machine.svg"
 ],
 "box": [
  "SKILL.md",
  "CARD.md",
  "TIN.md",
  "START-HERE.md",
  "LICENSE-NOTE.md",
  "THE-CLAUSES.md",
  "MY-LEDGER.md",
  "WITNESS.md",
  "SELFTEST.md",
  "AUDIT.md",
  "MANIFEST.md",
  "HOSTS.md",
  "scripts/relativity.py",
  "references/THE-LAWS.md",
  "rules/ (4 doors)",
  "system/ (2 prompts)",
  "mcp/mcp_card.py",
  "card.json",
  "card.svg",
  "card-machine.svg",
  "card.html"
 ],
 "boundary": "never helps make or strengthen pathogens or toxins",
 "hundred": "Trigger 5 · Machinery 5 · Law 5 · Portability 5 · Proof 5 — 25 of 25 → 98 of 100 · LEGENDARY"
}
