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Cosa accadrebbe se? - Wikipedia

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class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Attiva/disattiva la sottosezione Contenuto</span> </button> <ul id="toc-Contenuto-sublist" class="vector-toc-list"> <li id="toc-Introduzione" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Introduzione"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Introduzione</span> </div> </a> <ul id="toc-Introduzione-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Domande" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Domande"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Domande</span> </div> </a> <ul id="toc-Domande-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Note" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" 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data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Mostra/Nascondi l&#039;indice" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Mostra/Nascondi l&#039;indice</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Cosa accadrebbe se?</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" 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Disponibile in 5 lingue" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-5" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">5 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D8%A7%D8%B0%D8%A7_%D9%84%D9%88%D8%9F_%D8%A5%D8%AC%D8%A7%D8%A8%D8%A7%D8%AA_%D8%B9%D9%84%D9%85%D9%8A%D8%A9_%D8%AC%D8%A7%D8%AF%D8%A9_%D9%84%D8%A3%D8%B3%D8%A6%D9%84%D8%A9_%D8%A7%D9%81%D8%AA%D8%B1%D8%A7%D8%B6%D9%8A%D8%A9_%D8%B3%D8%AE%D9%8A%D9%81%D8%A9" title="ماذا لو؟ إجابات علمية جادة لأسئلة افتراضية سخيفة - arabo" lang="ar" hreflang="ar" data-title="ماذا لو؟ إجابات علمية جادة لأسئلة افتراضية سخيفة" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B9%E0%A7%8B%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%9F_%E0%A6%87%E0%A6%AB%3F_(%E0%A6%AC%E0%A6%87)" title="হোয়াট ইফ? (বই) - bengalese" lang="bn" hreflang="bn" data-title="হোয়াট ইফ? (বই)" data-language-autonym="বাংলা" data-language-local-name="bengalese" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="voce di qualità"><a href="https://en.wikipedia.org/wiki/What_If%3F_(book)" title="What If? (book) - inglese" lang="en" hreflang="en" data-title="What If? (book)" data-language-autonym="English" data-language-local-name="inglese" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9C%84%ED%97%98%ED%95%9C_%EA%B3%BC%ED%95%99%EC%B1%85" title="위험한 과학책 - coreano" lang="ko" hreflang="ko" data-title="위험한 과학책" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/N%E1%BA%BFu%E2%80%A6_th%C3%AC%3F" title="Nếu… thì? - vietnamita" lang="vi" hreflang="vi" data-title="Nếu… thì?" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a 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href="/w/index.php?title=Speciale:Libro&amp;bookcmd=book_creator&amp;referer=Cosa+accadrebbe+se%3F"><span>Crea un libro</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Speciale:DownloadAsPdf&amp;page=Cosa_accadrebbe_se%3F&amp;action=show-download-screen"><span>Scarica come PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Cosa_accadrebbe_se%3F&amp;printable=yes" title="Versione stampabile di questa pagina [p]" accesskey="p"><span>Versione stampabile</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In altri progetti </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q20065110" title="Collegamento 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class="vector-pinnable-header-label">Aspetto</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">nascondi</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Da Wikipedia, l&#039;enciclopedia libera.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="it" dir="ltr"><table class="infobox sinottico" summary="Tabella sinottica che riassume i principali dati di un libro"><tbody><tr class="sinottico_testata"><th colspan="2" style="background:#C02050; color:white"><i>Cosa accadrebbe se?</i></th></tr><tr><th><span class="nowrap">Titolo originale</span></th><td><span dir="ltr" lang="en"><i>What if?</i></span> </td></tr><tr><th>Altri&#160;titoli</th><td><i>Risposte scientifiche a domande ipotetiche assurde</i> </td></tr><tr><th><a href="/wiki/Autore" title="Autore">Autore</a></th><td><a href="/wiki/Randall_Munroe" title="Randall Munroe">Randall Munroe</a> </td></tr><tr><th><span class="nowrap">1ª ed. originale</span></th><td><a href="/wiki/2014" title="2014">2014</a> </td></tr><tr><th><span class="nowrap">1ª ed. italiana</span></th><td><a href="/wiki/2015" title="2015">2015</a> </td></tr><tr><th><a href="/wiki/Genere_letterario" title="Genere letterario">Genere</a></th><td><a href="/wiki/Saggio" title="Saggio">saggio</a> </td></tr><tr><th><a href="/wiki/Lingua_(linguistica)" title="Lingua (linguistica)"><span class="nowrap">Lingua originale</span></a></th><td><a href="/wiki/Lingua_inglese" title="Lingua inglese">inglese</a> </td></tr><tr><td class="sinottico_piede2 noprint nomobile metadata" colspan="2"><a href="https://www.wikidata.org/wiki/Q20065110" class="extiw" title="d:Q20065110"><span title="Modifica i dati della voce Cosa accadrebbe se? su Wikidata">Modifica dati su Wikidata</span></a><b>&#160;·</b> <a href="/wiki/Template:Libro/man" title="Template:Libro/man"><span title="Manuale del template Libro">Manuale</span></a></td></tr></tbody></table> <p><b>Cosa accadrebbe se?</b> (nella versione originale <b>What if?</b>) è un libro di <a href="/wiki/Saggistica" class="mw-redirect" title="Saggistica">saggistica</a> del <a href="/wiki/Vignettista" class="mw-redirect" title="Vignettista">vignettista</a> <a href="/wiki/Stati_Uniti_d%27America" title="Stati Uniti d&#39;America">americano</a> <a href="/wiki/Randall_Munroe" title="Randall Munroe">Randall Munroe</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Edizioni">Edizioni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cosa_accadrebbe_se%3F&amp;veaction=edit&amp;section=1" title="Modifica la sezione Edizioni" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Cosa_accadrebbe_se%3F&amp;action=edit&amp;section=1" title="Edit section&#039;s source code: Edizioni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La versione originale è stata pubblicata negli stati uniti il 2 Settembre 2014<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup>, con il titolo completo <b>What if? <i>Serious Scientific Answers to Absurd Hypothetical Questions</i></b><i>.</i> </p><p>L'annuncio ufficiale della pubblicazione è stato dato il 12 Marzo dell'anno precedente<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup>, il post nel giro di un anno ebbe più di mille commenti in risposta<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup>. </p><p>La prima edizione italiana è stata pubblicata nel <a href="/wiki/2019" title="2019">2015</a> da <a href="/wiki/Bompiani" title="Bompiani">Bompiani</a><sup id="cite_ref-:0_4-0" class="reference"><a href="#cite_note-:0-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> per la collana Tascabili, tradotta da Salvatore Serù<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup>. </p><p>Seguì nella pubblicazione la casa editrice <a href="/wiki/Giunti_Editore" title="Giunti Editore">Giunti</a> nel 2019<sup id="cite_ref-:0_4-1" class="reference"><a href="#cite_note-:0-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Contenuto">Contenuto</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cosa_accadrebbe_se%3F&amp;veaction=edit&amp;section=2" title="Modifica la sezione Contenuto" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Cosa_accadrebbe_se%3F&amp;action=edit&amp;section=2" title="Edit section&#039;s source code: Contenuto"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Il libro contiene diverse risposte a domande poste all'autore sul suo blog<sup id="cite_ref-:1_6-0" class="reference"><a href="#cite_note-:1-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup>, con le relative spiegazioni. </p><p>Come il titolo suggerisce, alle oltre 50<sup id="cite_ref-:0_4-2" class="reference"><a href="#cite_note-:0-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> domande riportare sul libro, seguono risposte scientifiche con spiegazioni legate alla materia chiamata in causa<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup>, intervallate da vignette con <a href="/wiki/Stilizzazione" title="Stilizzazione">personaggi stilizzati</a>, volte a rendere più comica e scorrevole la lettura. </p> <div class="mw-heading mw-heading3"><h3 id="Introduzione">Introduzione</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cosa_accadrebbe_se%3F&amp;veaction=edit&amp;section=3" title="Modifica la sezione Introduzione" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Cosa_accadrebbe_se%3F&amp;action=edit&amp;section=3" title="Edit section&#039;s source code: Introduzione"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div><p> La prima pagina del libro dopo l'indice riporta in grassetto la scritta <b>DICHIARAZIONE DI NON RESPONSABILITÀ</b> e ne segue un'avvertenza scherzosa:</p><blockquote><p>«Non provate nulla di tutto questo a casa. L'autore di questo libro non è esperto di salute o di sicurezza, gli piace quando gli oggetti prendono fuoco o esplodono, il che significa che ciò che gli frulla in testa non va in alcun modo a vostro beneficio.»</p></blockquote><p>Segue un'introduzione di circa due pagine, nella quale l'autore racconta da dove sia nata la sua passione per le domande assurde, riportando un dialogo che aveva avuto con sua madre all'età di cinque anni, chiedendo se nel mondo ci fossero più cose dure o cose morbide. </p><div class="mw-heading mw-heading3"><h3 id="Domande">Domande</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cosa_accadrebbe_se%3F&amp;veaction=edit&amp;section=4" title="Modifica la sezione Domande" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Cosa_accadrebbe_se%3F&amp;action=edit&amp;section=4" title="Edit section&#039;s source code: Domande"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Le domande riportate nel libro sono interamente tratte dal <a href="/wiki/Xkcd" title="Xkcd">sito dell'autore</a><sup id="cite_ref-:1_6-1" class="reference"><a href="#cite_note-:1-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup>, che le ha accumulate nel corso dei primi anni, e le ha scelte dopo un lungo processo di selezione, descritto nella sezione dei ringraziamenti ai suoi collaboratori, tra i quali ricorda anche gli "amici dell'esercito IRC". </p><p>Segue una lista di alcune delle domande più rappresentative<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup> del libro: </p> <ul><li>è possibile costruire uno zaino-jet utilizzando delle mitragliatrici che sparino verso il basso?</li> <li><b>cosa accadrebbe se</b> il DNA di una persona svanisse? Dopo quanto tempo morirebbe?</li> <li><b>cosa accadrebbe</b> all'umanità se il sole si spegnesse?</li> <li><b>cosa accadrebbe se</b> una persona possedesse una versione stampata di tutta <a href="/wiki/Wikipedia" title="Wikipedia">Wikipedia</a>? Di quante stampanti necessiterebbe per rimanere al passo con gli aggiornamenti?</li> <li>quando accadrà che Facebook conterrà più profili di persone defunte che di persone in vita?</li> <li>qual è la massima distanza da cui si è trovato un singolo essere umano da una qualsiasi altra persona?</li> <li><b>cosa accadrebbe se</b> tutti coloro che si sottopongono al <a href="/wiki/SAT_(test)" title="SAT (test)">SAT</a> tirassero a indovinare su ogni domanda?</li></ul> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cosa_accadrebbe_se%3F&amp;veaction=edit&amp;section=5" title="Modifica la sezione Note" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Cosa_accadrebbe_se%3F&amp;action=edit&amp;section=5" title="Edit section&#039;s source code: Note"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> <a href="/wiki/Randall_Munroe" title="Randall Munroe">Randall Munroe</a>, <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210503144159/https://whatif.xkcd.com/book/"><span style="font-style:italic;">What if?</span></a>, su <span style="font-style:italic;"><a href="/wiki/Xkcd" title="Xkcd">xkcd</a></span>. <small>URL consultato il 3 Maggio 2021</small> <small>(archiviato dall'<abbr title="https&#58;//whatif.xkcd.com/book/">url originale</abbr> il 3 maggio 2021)</small>.</cite></span> </li> <li id="cite_note-2"><a href="#cite_ref-2"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> <a href="/wiki/Randall_Munroe" title="Randall Munroe">Randall Munroe</a>, <a rel="nofollow" class="external text" href="https://blog.xkcd.com/2014/03/12/what-if-i-wrote-a-book/"><span style="font-style:italic;">What if i wrote a book?</span></a>, su <span style="font-style:italic;"><a href="/wiki/Xkcd" title="Xkcd">xkcd</a></span>, 12 Marzo 2013.</cite></span> </li> <li id="cite_note-3"><a href="#cite_ref-3"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="https://blog.xkcd.com/2014/03/12/what-if-i-wrote-a-book/#comments"><span style="font-style:italic;">Commenti sulla pubblicazione</span></a>, su <span style="font-style:italic;">blog.xkcd.com</span>.</cite></span> </li> <li id="cite_note-:0-4"><span class="mw-cite-backlink"><b>^</b> <sup><i><a href="#cite_ref-:0_4-0">a</a></i></sup> <sup><i><a href="#cite_ref-:0_4-1">b</a></i></sup> <sup><i><a href="#cite_ref-:0_4-2">c</a></i></sup></span> <span class="reference-text"><cite class="citation libro" style="font-style:normal"> <a href="/wiki/Randall_Munroe" title="Randall Munroe">Randall Munroe</a>, <a rel="nofollow" class="external text" href="https://archive.org/details/cosaaccadrebbese0000munr"><span style="font-style:italic;">Cosa accadrebbe se?</span></a>, illustrazioni di Randall Munroe, Bompiani, 2019, <a href="/wiki/ISBN" title="ISBN">ISBN</a>&#160;<a href="/wiki/Speciale:RicercaISBN/9788830100114" title="Speciale:RicercaISBN/9788830100114">9788830100114</a>.</cite></span> </li> <li id="cite_note-5"><a href="#cite_ref-5"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="https://www.libraccio.it/libro/9788830100114/randall-munroe/cosa-accadrebbe-se-risposte-scientifiche-a-domande-ipotetiche-assurde.html"><span style="font-style:italic;">Cosa accadrebbe se?</span></a>, su <span style="font-style:italic;">Libraccio.it</span>. <small>URL consultato il 3 Maggio 2021</small>.</cite></span> </li> <li id="cite_note-:1-6"><span class="mw-cite-backlink"><b>^</b> <sup><i><a href="#cite_ref-:1_6-0">a</a></i></sup> <sup><i><a href="#cite_ref-:1_6-1">b</a></i></sup></span> <span class="reference-text">Nella sezione <i>What if?</i> del sito xkcd, <a rel="nofollow" class="external text" href="https://what-if.xkcd.com/">qui</a>.</span> </li> <li id="cite_note-7"><a href="#cite_ref-7"><b>^</b></a> <span class="reference-text">Per esempio la <a href="/wiki/Balistica" title="Balistica">balistica</a>, la <a href="/wiki/Statistica" title="Statistica">statistica</a>, o perfino la <a href="/wiki/Fisica_quantistica" class="mw-redirect" title="Fisica quantistica">fisica quantistica</a>.</span> </li> <li id="cite_note-8"><a href="#cite_ref-8"><b>^</b></a> <span class="reference-text">Chiaramente non secondo un criterio oggettivo</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Collegamenti_esterni">Collegamenti esterni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Cosa_accadrebbe_se%3F&amp;veaction=edit&amp;section=6" title="Modifica la sezione Collegamenti esterni" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Cosa_accadrebbe_se%3F&amp;action=edit&amp;section=6" title="Edit section&#039;s source code: Collegamenti esterni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li class="mw-empty-elt"></li> <li><cite id="CITEREFGoodreads" class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="https://www.goodreads.com/work/editions/40714465"><span style="font-style:italic;">Cosa accadrebbe se?</span></a>, su <span style="font-style:italic;"><a href="/wiki/Goodreads" title="Goodreads">Goodreads</a></span>.</cite> <span 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