Epiphanies

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data-test="article-category"><span class="c-article-identifiers__type">FUTURES</span></li> <li class="c-article-identifiers__item"><time datetime="2024-11-22">22 November 2024</time></li> </ul> <h1 class="c-article-magazine-title">Epiphanies</h1> <div class="u-clearfix"> <div class="c-article-teaser-text"> All or nothing. </div> </div> </div> <div class="c-article-author-list-container u-clearfix"> <ul class="c-article-author-list c-article-author-list--short" data-test="authors-list" data-component-authors-activator="authors-list"> By <li class="c-article-author-list__item"><a data-test="author-name" data-track="click" data-track-label="view author info" href="#author-0" data-author-popup="author-0" > David Gullen</a><sup class="u-js-hide"><a href="#Aff0">0</a></sup></li> </ul> <div class="u-js-hide u-hide-print cleared" data-test="author-info"> <ol class="c-article-authors-listing u-list-reset"> <li class="c-article-authors-listing__item"> <span class="c-article-authors-search__title u-h3 js-search-name">David Gullen</span> <ol class="c-article-author-affiliation__list u-list-reset"> <li id="Aff0"> <p class="c-article-author-affiliation__address">Born in Africa and baptised by King Neptune, David has lived in England most of his life. His work has appeared in <i>The Best of British SF 2020</i>, and <i>2021</i>, <i>F&SF</i>, <i>Tales from the Magician’s Skull</i> and more.</p> </li> </ol> <div id="author-0"> <div class="c-article-authors-search__list"> <div class="c-article-authors-search__item c-article-authors-search__list-item--left"><a href="/search?author=David+Gullen" class="c-article-button" data-track="click" data-track-action="author link - publication" data-track-label="link" rel="nofollow">View author publications</a></div> <div class="c-article-authors-search__item c-article-authors-search__list-item--right"> <p class="search-in-title-js c-article-authors-search__text">You can also search for this author in <span class="c-article-identifiers"><a class="c-article-identifiers__item" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=search&term=David+Gullen" data-track="click" data-track-action="author link - PubMed" data-track-label="link" rel="nofollow">PubMed</a> <span class="u-hide"> </span><a class="c-article-identifiers__item" href="https://scholar.google.co.uk/scholar?as_q=&btnG=Search+Scholar&as_sauthors=%22David%2BGullen%22" data-track="click" data-track-action="author link - Google Scholar" data-track-label="link" rel="nofollow">Google Scholar</a> </span></p> </div> </div> </div> </li> </ol> </div> </div> </header> <div class="c-article-extras-additional-links"> <ul class="c-article-social-list u-hide-print"> <li class="c-article-social-list__item"> <a class="c-article-social-list__icon--inline" aria-label="Tweet this article" data-track="click" data-track-action="twitter" data-track-category="social" data-track-label="10.1038/d41586-024-03785-5" href="https://twitter.com/intent/tweet?text=Epiphanies&url=https%3A%2F%2Fwww.nature.com%2Farticles%2Fd41586-024-03785-5"> <span class="u-visually-hidden">Twitter</span> <svg class="u-icon" role="img" aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 30 30"><path d="M20.813 11.488a3.075 3.075 0 0 0 1.292-1.715 5.663 5.663 0 0 1-1.866.75 2.86 2.86 0 0 0-2.142-.978c-1.622 0-2.937 1.387-2.937 3.098 0 .242.025.48.075.704-2.438-.13-4.604-1.362-6.053-3.237a3.226 3.226 0 0 0-.397 1.559c0 1.075.519 2.022 1.306 2.579a2.84 2.84 0 0 1-1.33-.388v.038c0 1.5 1.013 2.753 2.358 3.037a2.78 2.78 0 0 1-1.328.054c.375 1.232 1.458 2.13 2.744 2.153a5.704 5.704 0 0 1-4.35 1.284 8.014 8.014 0 0 0 4.502 1.39c5.403 0 8.357-4.721 8.357-8.815l-.008-.4a6.091 6.091 0 0 0 1.465-1.605 5.657 5.657 0 0 1-1.687.488l-.002.004Z"/></svg> </a> </li> <li class="c-article-social-list__item"> <a class="c-article-social-list__icon--inline" aria-label="Facebook this article" data-track="click" data-track-action="facebook" data-track-category="social" data-track-label="10.1038/d41586-024-03785-5" href="http://www.facebook.com/sharer.php?u=https%3A%2F%2Fwww.nature.com%2Farticles%2Fd41586-024-03785-5"> <span class="u-visually-hidden">Facebook</span> <svg class="u-icon" role="img" aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 30 30"><path d="M15.896 22.863h-3.325V15.02H10.91V12.32h1.662v-1.623c0-2.204.938-3.516 3.604-3.516h2.219v2.703h-1.388c-1.037 0-1.106.377-1.106 1.082l-.005 1.353h2.512l-.292 2.702h-2.219v7.843Z"/></svg> </a> </li> <li class="c-article-social-list__item"> <a class="c-article-social-list__icon--inline" aria-label="Email this article" data-track="click" data-track-action="email" data-track-category="social" data-track-label="10.1038/d41586-024-03785-5" href="mailto:?subject=Epiphanies&body=https%3A%2F%2Fwww.nature.com%2Farticles%2Fd41586-024-03785-5"> <span class="u-visually-hidden">Email</span> <svg class="u-icon" role="img" aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 30 30"><path d="m15 15.327-4.375-3.41a.475.475 0 0 0-.656.072.447.447 0 0 0 .073.639l4.66 3.63a.477.477 0 0 0 .597 0l4.66-3.63a.447.447 0 0 0 .072-.64.475.475 0 0 0-.656-.07L15 15.327ZM9 10h12a1 1 0 0 1 1 1v8a1 1 0 0 1-1 1H9a1 1 0 0 1-1-1v-8a1 1 0 0 1 1-1Z"/></svg> </a> </li> </ul> </div> </div> <div class="u-clear-both c-article-wide-figure"> <figure class="figure"> <picture> <source type="image/webp" srcset=" //media.nature.com/w1248/magazine-assets/d41586-024-03785-5/d41586-024-03785-5_27715040.jpg?as=webp 1248w, //media.nature.com/w767/magazine-assets/d41586-024-03785-5/d41586-024-03785-5_27715040.jpg?as=webp 767w, //media.nature.com/w319/magazine-assets/d41586-024-03785-5/d41586-024-03785-5_27715040.jpg?as=webp 319w" sizes="100vw, 767px"> <img aria-describedby="Fig2" src="//media.nature.com/w767/magazine-assets/d41586-024-03785-5/d41586-024-03785-5_27715040.jpg" alt="A plastic cup of tea sits at the centre of two circles, one inside the other, drawn on a piece of paper. On each circle sits a stone. The surface of the tea features a dome rising in the centre of the liquid surrounded by a ring"/> </picture> <div> <figcaption> <p class="figure__caption u-sans-serif" id="Fig2"> Illustration: Jacey</p> </figcaption> </div> </figure> </div> <div class="c-article-main-column u-float-left"> <noscript> <div class="c-nature-box c-nature-box--side " data-component="entitlement-box"> <p class="c-nature-box__text js-text">You have full access to this article via your institution.</p> <div class="c-pdf-download u-clear-both js-pdf-download"> <a href="/articles/d41586-024-03785-5.pdf" class="u-button u-button--full-width u-button--primary u-justify-content-space-between c-pdf-download__link" data-article-pdf="true" data-readcube-pdf-url="true" data-test="download-pdf" data-draft-ignore="true" data-track="content_download" data-track-type="article pdf download" data-track-action="download pdf" data-track-label="link" data-track-external download> <span class="c-pdf-download__text">Download PDF</span> <svg aria-hidden="true" focusable="false" width="16" height="16" class="u-icon"><use xlink:href="#icon-download"/></svg> </a> </div> </div> </noscript> <div class="js-context-bar-sticky-point-mobile" data-track-context="news body"> <div class="c-nature-box c-nature-box--side u-display-none u-hide-print" aria-hidden="true" data-component="entitlement-box" id=entitlement-box-entitled-mobile > <p class="c-nature-box__text js-text u-display-none" aria-hidden="true"></p> <div class="c-pdf-download u-clear-both js-pdf-download"> <a href="/articles/d41586-024-03785-5.pdf" class="u-button u-button--full-width u-button--primary u-justify-content-space-between c-pdf-download__link" data-article-pdf="true" data-readcube-pdf-url="true" data-test="download-pdf" data-draft-ignore="true" data-track="content_download" data-track-type="article pdf download" data-track-action="download pdf" data-track-label="link" download> <span>Download PDF</span> <svg aria-hidden="true" focusable="false" width="16" height="16" class="u-icon"><use xlink:href="#icon-download"/></svg> </a> </div> </div> </div> <div class="c-article-body main-content"> <p>Truth is colder than the February pavement. Three layers of cardboard cannot protect you from truth.</p><p>This quantum universe. People did not understand. McNavel thought he understood. Those whom the gods wish to destroy they first make very clever indeed.</p><p>Understanding had brought him to this bleak railway arch in winter. The lecture rooms and panelled halls of his college, filled now as then with undergraduates and their second-year theories of why Einstein might have been wrong, were far away and long ago. McNavel hadn’t been interested in standard models, he’d wanted to see the whole cloth.</p><p>“Do you indeed?” The dragon of creation let him glimpse her coils and shimmering scales. The vision burned McNavel’s brain. Words clamoured inside.</p><p>There had been a girl at one of those colleges, so much promise … They still hadn’t caught the killer.</p><p>He tried to explain it to Clive Mitchell in the canteen. “This coffee cup, every atom of liquid, each baryon and meson, the quarks inside —”</p><p>Mitchell patiently stirred his tea, used to the way McNavel’s insights drew into focus.</p><p>“There’s another universe where the only thing that’s different is that two electrons are in each other’s orbits. That’s just one atom inside this coffee cup. All the same, all different.”</p><p>That girl. Murdered and not murdered, a billion lives, a billion corpses … trillions, boiling like smoke.</p><p>Mitchell touched his hand, puzzled, worried. “Everything OK?”</p><p>Everything? He wanted to laugh.</p><p>“Peter?” Mitchell called as McNavel hurried away.</p><p>*****</p><p>At first he was brilliantly, overwhelmingly on fire. He wrote a frantic scribble. “This isn’t science, it’s art, philosophy — poetry!”</p><p>“Good, good,” Helen laughed, happy to see him happy. “Come and eat.”</p><p>He danced her around the room. “No time, no time!”</p><p><article class="recommended pull pull--left u-sans-serif" data-label="Related"><a href="https://nature.com/futures" class="u-link-inherit" data-track="click" data-track-label="recommended article"><img class="recommended__image" alt="" src="//media.nature.com/w400/magazine-assets/d41586-024-03785-5/d41586-024-03785-5_15170598.jpg"></img><p class="recommended__title u-serif">Read more science fiction from Nature Futures</p></a></article></p><p>She brought him a sandwich. He was still there in the morning. So was the sandwich, less one bite.</p><p>He had never paid attention to their mortgage or utility bills. Dear Helen, what a patient marvel. Now he dismissed hygiene, the need to give lectures, to turn up at all. On a googolplexian other worlds he was doing these things but here he must work, day and night.</p><p>Not so slowly, he began his descent.</p><p>Helen, the Dean, Clive Mitchell, a handful of postgraduates, all leaned over the edge and held out their hands. They lowered ladders, emotional and metaphysical, and ever-longer ropes. He ignored them and kept on writing, kept on digging.</p><p>*****</p><p><i>“I’m not special, nothing is special — Well, ‘Nothing’ actually is quite special, but what I mean is I, me, this precious one-and-only. I’m just one side of a decision, a locus in the infinite cascade, a twig on the tree, a branch in the delta, the result of a quark in some hadron in a galaxy 12 trillion light years away emitting a gluon. I’m not a point of origin, not even of myself. And neither are you.”</i></p><p>*****</p><p>He just walked away. All needs were satisfied so many trillions of times elsewhere that even Graham’s number was inadequate. He stood on the doorstep and glimpsed new beauty. Every journey starts with a single step. His choice was one of two: left foot or right. Infinity collapsed to duality.</p><p>Left foot. It felt like the most important decision he had ever made.</p><p>*****</p><p>Kind strangers gave him food. Having once not eaten a sandwich, sandwiches saved him.</p><p>Tweed and corduroy proved remarkably durable, shabby sans chic. Grey-haired and white-bearded, he came to appreciate the true value of good shoes.</p><p>“Statistically speaking this isn’t happening,” he told the spiky-haired young man with fish tattoos at the night kitchen.</p><p>“It’s happening to you, though, innit?”</p><p>“Well, there is that.”</p><p>*****</p><p>He became the washed-up jetsam of his own life. Shop doorways, tunnels and archways. Fires burned on the wasteland. The damp cold of rain-soaked concrete rinsed years from his life.</p><p>Smoke of infinity blew harder than hurricanes.</p><p>Then he was last in the queue, running on empty. A girl with fingerless gloves handed him soup and bread. “All right?”</p><p>“I think, therefore I am, but when I sleep I don’t think.”</p><p>“Sounds deep. Philosophy?”</p><p>“No. I used to …” What was it exactly? “I tried … to understand what was really happening.”</p><p>“Did you?”</p><p>“Yes.” Those inward-looking eyes. “Unfortunately.”</p><p>“Liam said you mentioned statistics.”</p><p>“No.” He stood there, soup in hand. “Who’s Liam?”</p><p>“Spiky hair, fish tattoos.”</p><p>“Ah, cheese sandwich and coffee. Physics, that’s what we called it.”</p><p>“Do you miss it?”</p><p>“I don’t think it misses me.”</p><p>She brought him magazines, then took him to the library and sat with him. He found a book and read a chapter. In another world he had lectured the author.</p><p>He found references to his own work.</p><p>*****</p><p>One evening he blinked and the world flooded in. The sunset street, the cloud-torn sky, the wrinkled skin on the back of his hand.</p><p>Liam wasn’t there, just the girl. “Hey, how’s it going?”</p><p>It was going well. Infuriatingly, his tongue was tied.</p><p>“It’s OK. I was just asking.”</p><p>He blinked again and his dragon-locked tongue broke free. “I am very well, thank you.”</p><p>And now it was she who could not speak as he changed into a different version of himself.</p><p>“What’s your name?”</p><p>“Jes.”</p><p>“Thank you, Jes. Thank you for everything.”</p><p>*****</p><p>McNavel watched the river flow. Across the multiverse all possibilities were made real, all questions answered, and everything is known.</p><p>It was quite simple really. He was surprised he hadn’t thought of that before.</p><p>He contemplated the sloughing smoke of his infinite selves and realized he could no longer see it blow.</p><p>Forty years in this strange land. He had never left, and at the same time, he was coming home.</p><div class="embed box"><h3 class="box__title u-sans-serif">The story behind the story</h3><div class="box__content u-clearfix"><p><i>David Gullen reveals the inspiration behind</i> <i>Epiphanies</i>.</p><p>I’ve spent probably too much time as a writer thinking about the idea of the multiverse. For one thing, where do all these universes go? Would a ‘decision’ at any level cause a new alternative or is there a lower limit to the ‘importance’ of an event necessary to cause one? And is my, no doubt naive, understanding reasonable or foolish?</p><p>Brain fever threatened, but perhaps nothing compared with the fever of imagination that might afflict someone who had the gifts of mathematics and beyond that I lack to truly understand these things. I thought I had better give all this worrying up and write the story instead.</p></div><div class="box__author u-sans-serif"></div></div> </div> <p><em>doi: https://doi.org/10.1038/d41586-024-03785-5</em></p> <div id="references" class="c-article-references__container"> </div> <h2 class="small-space-below temporary-class-to-handle-titles-visibility u-hide-print" id="related-articles">Related Articles</h2> <ul class="c-article-related-articles u-clearfix u-hide-print"> <li class="c-article-related-articles__item u-clearfix"> <p class="c-article-related-articles__title u-h3"> <a href="https://www.nature.com/articles/542266a" data-track="click" data-track-label="related article (rank:0)"> <img class="c-article-related-articles__img" loading="lazy" src="//media.nature.com/lw100/magazine-assets/d41586-024-03785-5/d41586-024-03785-5_27719624.jpg" alt=""> Fermi’s zookeepers by David Gullen </a> </p> </li> <li class="c-article-related-articles__item u-clearfix"> <p 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