SPECULATIVE SCIENCE • CULTURE • THE FUTURE The Most Elaborate Plan Ever Devised to Die Twice Cryonics, alien archaeologists, cosmic backups—and one profoundly unnecessary resurrection Humanity has spent millennia trying to make peace with death. A more administratively demanding alternative is to refuse to accept the finality of the paperwork: preserve the body, archive the mind, and leave detailed instructions for whoever eventually acquires the technology to reverse the situation. A corpse with a contingency plan The basic proposal is simple enough to explain and spectacularly difficult to execute. After death, preserve the brain and body as well as possible. Retain tissue samples, a sequenced genome, medical and anatomical records, and a comprehensive archive of the individual’s speech, writing, memories and behaviour. Then wait—potentially for centuries or longer—for a civilization that can do something useful with the collection. Cryonics already pursues a limited version of this ambition, typically using very low-temperature preservation after legal death. No human has been demonstrated to return to life following cryonic preservation. Tissue damage, the preservation of fine brain structure, and the unknown requirements for restoring consciousness remain formidable obstacles. This is a wager on possible future technology, not an available medical treatment. The Moon is not automatically a better freezer Earth has a decisive advantage: future humans are likelier to find, maintain and upgrade a repository located where humans already live. Multiple geographically separated, professionally maintained archives would probably offer better practical value than one heroic off-world vault. The Moon offers long-term geological stability in some locations, but also radiation, micrometeorite hazards, thermal extremes and a distinctly unhelpful maintenance commute. Mars adds distance and complexity. An interstellar capsule is the grandest option and perhaps the least likely to be intercepted: space is mostly empty, and “aim toward life” is not a destination that present astronomy can specify with confidence. A sensible architecture would therefore separate the irreplaceable biological material from redundant information archives. Preserve the former where preservation quality and maintenance can be maximized; duplicate the latter in several durable locations. An optional space probe could carry a compact archive and directions to the principal repository on Earth. How to write a letter to someone who has never heard of letters A message intended for unknown future beings cannot begin with an English paragraph and hope for the best. It needs a ladder from observable phenomena to abstract concepts: counting, primes, ratios, geometry, units, physical constants, chemistry, biological structures, then SPECULATIVE SCIENCE • CULTURE • THE FUTURE increasingly complex descriptions. Pi, for example, can be introduced through circles and measured ratios rather than simply printing “3.14159” and assuming universal admiration. The archive could encode the same core messages in visual patterns, audible pulses, electromagnetic signals, binary and hexadecimal representations, physical inscriptions, and documented digital formats. Human languages, sign languages, Braille and programming languages would be useful secondary layers—especially for understanding the originating civilization—but none is inherently universal. Redundant representations help with damaged media and unfamiliar senses. They do not guarantee comprehension. Even mathematics requires shared reference points, and a radio beacon only helps if someone detects it. Quantum states are not a magical multilingual storage medium: unknown quantum information cannot simply be copied indefinitely, and ordinary classical encodings are generally more practical for a durable archive. The hardest restoration is not the skeleton A genome is a blueprint for building a related biological organism, not a backup of one individual’s acquired memories. Photographs, video, correspondence, brain scans and behavioural records may help characterize the person, but current imaging does not capture the complete neural information thought to be relevant to autobiographical memory and identity. Even if a future laboratory builds someone who looks, remembers and behaves like the original, a philosophical problem survives: is that the same conscious individual, or a remarkably convincing successor? A secret word or sealed question could test whether information was retained or reproduced. A set of predictions about spontaneous choices and humour might test behavioural fidelity. Neither proves subjective continuity. The question is harder than checking a passport. The scientific value of an unremarkable person Why would an advanced civilization bother? Perhaps because a rare, well-documented individual from a vanished period is an exceptional archaeological specimen. Perhaps revival is inexpensive to them, or their ethics favour restoring people who explicitly requested it. Alternatively, they may have more urgent things to do. Nothing obliges a hypothetical future society to honour an ancient request, especially one delivered in several thousand pages of increasingly insistent instructions. The best case for preservation is not necessarily that the subject was historically important. A richly documented ordinary life might reveal more about a lost society than another monument to its rulers. The final identity test Imagine a resurrection laboratory. After immense effort, a person opens their eyes, stands, and thanks the researchers. They explain that family had surrounded the deathbed centuries earlier, SPECULATIVE SCIENCE • CULTURE • THE FUTURE preventing one last deeply personal act. The scientists prepare for an emotionally significant revelation. The subject releases an enormous fart, lies back in the pod, and announces: “All right. Now I’m ready to die properly.” It would be an appalling return on investment. It would also be a rather elegant demonstration of the difference between technical achievement and human dignity. If the archived personality had predicted exactly that behaviour, the researchers could at least claim a successful validation experiment—while quietly reconsidering their grant criteria. So, is it worth doing? As a thought experiment, it is excellent. As a practical project, a carefully curated, redundant personal archive and ethically arranged tissue preservation could be meaningful even without resurrection: descendants and historians might use them. Paying astronomical sums for an interstellar corpse delivery service is much harder to justify. The central uncertainty is not whether information can be stored. It is whether the information that makes a particular conscious person that person can be preserved, interpreted and restored. No present evidence establishes that it can. Still, if humanity ever solves the problem, somebody will have to explain why the first revived citizen used the opportunity to make a fart joke.