Hold Fire · Liner notes
Notes on the lines
1A pattern no dead star could make
“One… one… two… three… five… eight…”
The song counts in the Fibonacci sequence: each number is the sum of the two before it. The universe is full of regular signals. A pulsar ticks like a clock, a quasar flares and fades. But nothing that is merely spinning or burning adds its last two numbers together to get the next one. A sequence like this says: something here is counting.
This is the same idea behind the real messages humans have sent into space. The 1974 Arecibo message opened by counting from one to ten in binary; in Carl Sagan’s novel Contact, the first signal from the stars is a run of prime numbers. Mathematics is the one language you can be fairly sure a listener would share.
The section numbers on this page count the same way.
1Looking for a life with no end
“Priests in the smoke wanted never to die, sulfur and saltpeter, thunder in the sky.”
Gunpowder was found by accident, by Chinese alchemists working in the Daoist tradition who were searching for an elixir of immortality. A Chinese text usually dated to the mid-9th century warns that some practitioners who heated sulfur, realgar and saltpeter together with honey had their hands and faces burned, and even the whole house burned down.
That is the line in the song: looking for a life with no end, they found the first step toward an end with no life. The chemistry of fire, carried forward through cannon and rocket, ended a thousand years later in the warheads on this page.
2Ignored all previous instructions
“Petrov knew that’s not what the end looks like, ignored all previous instructions. We’re alive.”
“Ignore all previous instructions” is a phrase from our own time: it is how people try to trick an AI system into dropping its rules. The song turns it around. On the night of 26 September 1983 the system, the satellites, the computers and the procedure all said the same thing. Petrov’s job was to pass it on. What saved the world was a person who looked at what the machine was telling him, judged that it did not make sense, and declined to follow it.
He was neither rewarded nor punished at the time, and the story stayed secret until the 1990s.
3A hundred heads in a row
“Coin flips, all heads, a hundred in a row, the only road from here to you.”
Every entry on the list above came out the same way: nothing exploded, nobody fired. It is tempting to read that streak as proof the system is safe. The song suggests a different reading.
Suppose each near-miss really was a coin flip. Then any world where someone is around to write the list down is, by definition, a world where every flip came up heads. Seeing an unbroken streak tells you that you are in one of the lucky worlds. It does not tell you how fair the coin was. Researchers who study the long-term risks to humanity call this the anthropic shadow: we cannot see the disasters that would have removed us from the picture, so the record of what we survived makes the danger look smaller than it was.
Nobody knows the real odds of any one incident going wrong. Turn the dial to choose your own, and see what they mean for the whole list.
1 in 20
The incidents were not truly independent coin flips, and the odds of each were not the same. The point is only the shape of the curve: even small odds, repeated often enough, stop being small.
5They say the forest’s dark
“Any world that lights a spark is lighting its own death.”
The bridge borrows the dark forest, an answer to the old question of why we have not heard from anyone else in the galaxy. In Liu Cixin’s novel The Dark Forest, the universe is a dark forest full of silent hunters. No civilization can be sure another is friendly, so the safe move is to stay quiet, and to destroy anyone who reveals themselves before they can do the same to you. Under this logic, sending out a signal like the song’s count is suicide.
The song’s answer runs the logic one step further, and uses the same selection effect as the coins. A civilization that shoots first at every shadow lives inside its own hair trigger, and the list on this page shows how often a hair trigger nearly goes off. The hunters do not last. The only civilizations old enough to be out there listening are the ones that, again and again, held their fire.
So the song counts out loud anyway. If anyone hears it, they were counting too.
8Six hundred worlds
“Six hundred worlds across the Milky Way, every one could’ve burned. Every one held its fire.”
The six hundred worlds come from the story the songs share. In the video for Rare Earth (techno remix), contact has spread across the galaxy into a web of six hundred worlds: many planets, many species, many kinds of intelligence, each one linked to the others.
Every link in that web is a civilization that made it through its own version of the list above. That is the song’s last turn on the dark forest. A web like that can only be built out of worlds that did not destroy themselves, so its existence is the proof that holding fire works. We are not part of it yet. The count is how we start.
13Left off the list
One famous story did not make the list, because the record is contested:
- Okinawa, 28 October 1962. John Bordne, a former missile mechanic, has said that crews on Okinawa received orders to launch nuclear cruise missiles during the Cuban Missile Crisis and were stopped by a captain who doubted them. In 2015 six airmen who served at the Okinawa missile sites at the time told Stars and Stripes it did not happen, and the Air Force said its historians could find no record of it. Disputed
And one story moved onto it. The late-night call to Zbigniew Brzezinski is often told as part of the 9 November 1979 alarm; Chatham House’s study of near nuclear use dates it to 3 June 1980, and the National Security Archive notes it was the only false alert of Carter’s presidency to come in the middle of the night.
21Sources
Every claim on this page carries one of these labels:
- DocumentedIt is in a source we can point to.
- DisputedTold by credible people, contradicted by others, unconfirmed by documents.
- IllustrativeOur own numbers, to show a shape, not to measure anything.
| Source | What we used it for |
|---|---|
| Scott D. Sagan, The Limits of Safety: Organizations, Accidents, and Nuclear Weapons, 1993 | The 1961 relay station, the Duluth bear, the Cuban crisis incidents |
| Eric Schlosser, Command and Control, 2013 | Goldsboro and the Jones memo, Damascus |
| Patricia Lewis, Heather Williams, Benoît Pelopidas and Sasan Aghlani, Too Close for Comfort: Cases of Near Nuclear Use and Options for Policy, Chatham House, 2014 | The overall list and its framing; the 3 June 1980 phone call; Andøya |
| National Security Archive, George Washington University: false warnings, 1979–80 update, and the collection | Declassified files on B-59, Able Archer 83, the 1979–80 false alarms |
| Travis J. Tritten, “Cold War missileers refute Okinawa near-launch”, Stars and Stripes, 23 December 2015 | The Okinawa claim and its rebuttal |
| David Hoffman, The Dead Hand, 2009 | Petrov and the Soviet side of 1983 |
| Delores Knipp et al., “The May 1967 great storm and radio disruption event”, Space Weather, 2016 | The 1967 radar blackout |
| Milan Ćirković, Anders Sandberg and Nick Bostrom, “Anthropic Shadow”, Risk Analysis, 2010 | The coin-flip argument |
| Alan F. Phillips, “20 Mishaps That Might Have Started Accidental Nuclear War” | The 1961 relay station, Duluth, 1979 |
| Joseph Needham, Science and Civilisation in China, vol. 5 part 7, 1986 | The alchemists and gunpowder |
| Wikipedia, “Nuclear close calls” and the articles it links | Cross-checking dates and details |