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id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">目錄</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">移去側欄</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">收埋</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">文頭</div> </a> </li> <li id="toc-基本定義" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#基本定義"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>基本定義</span> </div> </a> <ul id="toc-基本定義-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-祖父悖論" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#祖父悖論"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>祖父悖論</span> </div> </a> <ul id="toc-祖父悖論-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-睇埋" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#睇埋"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>睇埋</span> </div> </a> <ul id="toc-睇埋-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-註釋" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#註釋"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>註釋</span> </div> </a> <ul id="toc-註釋-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-攷" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#攷"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>攷</span> </div> </a> <ul id="toc-攷-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-拎" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#拎"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>拎</span> </div> </a> <ul id="toc-拎-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-英" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#英"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>英</span> </div> </a> <ul id="toc-英-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="目錄" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="開/收內容一覽" > <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">開/收內容一覽</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">時間悖論</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" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="去睇另一種語文嘅文章。有25種語言版本。" > <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-25" 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">25種語言</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%D9%81%D8%A7%D8%B1%D9%82%D8%A9_%D8%B2%D9%85%D9%86%D9%8A%D8%A9" title="مفارقة زمنية – 阿拉伯文" lang="ar" hreflang="ar" data-title="مفارقة زمنية" data-language-autonym="العربية" data-language-local-name="阿拉伯文" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%A7%D0%B0%D1%81%D0%B0%D0%B2%D1%8B_%D0%BF%D0%B0%D1%80%D0%B0%D0%B4%D0%BE%D0%BA%D1%81" title="Часавы парадокс – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Часавы парадокс" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%92%D1%80%D0%B5%D0%BC%D0%B5%D0%B2%D0%B8_%D0%BF%D0%B0%D1%80%D0%B0%D0%B4%D0%BE%D0%BA%D1%81" title="Времеви парадокс – 保加利亞文" lang="bg" hreflang="bg" data-title="Времеви парадокс" data-language-autonym="Български" data-language-local-name="保加利亞文" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A6%BE%E0%A6%AE%E0%A6%AF%E0%A6%BC%E0%A6%BF%E0%A6%95_%E0%A6%95%E0%A7%82%E0%A6%9F%E0%A6%BE%E0%A6%AD%E0%A6%BE%E0%A6%B8" title="সাময়িক কূটাভাস – 孟加拉文" lang="bn" hreflang="bn" data-title="সাময়িক কূটাভাস" data-language-autonym="বাংলা" data-language-local-name="孟加拉文" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A7%CF%81%CE%BF%CE%BD%CE%B9%CE%BA%CF%8C_%CF%80%CE%B1%CF%81%CE%AC%CE%B4%CE%BF%CE%BE%CE%BF" title="Χρονικό παράδοξο – 希臘文" lang="el" hreflang="el" data-title="Χρονικό παράδοξο" data-language-autonym="Ελληνικά" data-language-local-name="希臘文" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Temporal_paradox" title="Temporal paradox – 英文" lang="en" hreflang="en" data-title="Temporal paradox" data-language-autonym="English" data-language-local-name="英文" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%D8%A7%D8%B1%D8%A7%D8%AF%D9%88%DA%A9%D8%B3_%D8%B2%D9%85%D8%A7%D9%86" title="پارادوکس زمان – 波斯文" lang="fa" hreflang="fa" data-title="پارادوکس زمان" data-language-autonym="فارسی" data-language-local-name="波斯文" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Aikaparadoksi" title="Aikaparadoksi – 芬蘭文" lang="fi" hreflang="fi" data-title="Aikaparadoksi" data-language-autonym="Suomi" data-language-local-name="芬蘭文" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Paradoxe_temporel" title="Paradoxe temporel – 法文" lang="fr" hreflang="fr" data-title="Paradoxe temporel" data-language-autonym="Français" data-language-local-name="法文" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A4%D7%A8%D7%93%D7%95%D7%A7%D7%A1_%D7%A9%D7%9C_%D7%9E%D7%A1%D7%A2_%D7%91%D7%96%D7%9E%D7%9F" title="פרדוקס של מסע בזמן – 希伯來文" lang="he" hreflang="he" data-title="פרדוקס של מסע בזמן" data-language-autonym="עברית" data-language-local-name="希伯來文" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Paradoks_temporal" title="Paradoks temporal – 印尼文" lang="id" hreflang="id" data-title="Paradoks temporal" data-language-autonym="Bahasa Indonesia" data-language-local-name="印尼文" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Paradosso_temporale" title="Paradosso temporale – 義大利文" lang="it" hreflang="it" data-title="Paradosso temporale" data-language-autonym="Italiano" data-language-local-name="義大利文" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%8B%9C%EA%B0%84_%EC%97%AD%EC%84%A4" title="시간 역설 – 韓文" lang="ko" hreflang="ko" data-title="시간 역설" data-language-autonym="한국어" data-language-local-name="韓文" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%A8%E0%B5%88%E0%B4%AE%E0%B4%BF%E0%B4%B7%E0%B4%BF%E0%B4%95_%E0%B4%B5%E0%B4%BF%E0%B4%B0%E0%B5%8B%E0%B4%A7%E0%B4%BE%E0%B4%AD%E0%B4%BE%E0%B4%B8%E0%B4%82" title="നൈമിഷിക വിരോധാഭാസം – 馬來亞拉姆文" lang="ml" hreflang="ml" data-title="നൈമിഷിക വിരോധാഭാസം" data-language-autonym="മലയാളം" data-language-local-name="馬來亞拉姆文" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Paradoks_duniawi" title="Paradoks duniawi – 馬來文" lang="ms" hreflang="ms" data-title="Paradoks duniawi" data-language-autonym="Bahasa Melayu" data-language-local-name="馬來文" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Paradoks_dziadka" title="Paradoks dziadka – 波蘭文" lang="pl" hreflang="pl" data-title="Paradoks dziadka" data-language-autonym="Polski" data-language-local-name="波蘭文" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Paradoxo_temporal" title="Paradoxo temporal – 葡萄牙文" lang="pt" hreflang="pt" data-title="Paradoxo temporal" data-language-autonym="Português" data-language-local-name="葡萄牙文" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Paradox_temporal" title="Paradox temporal – 羅馬尼亞文" lang="ro" hreflang="ro" data-title="Paradox temporal" data-language-autonym="Română" data-language-local-name="羅馬尼亞文" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%92%D1%80%D0%B5%D0%BC%D0%B5%D0%BD%D0%BD%D0%BE%D0%B9_%D0%BF%D0%B0%D1%80%D0%B0%D0%B4%D0%BE%D0%BA%D1%81" title="Временной парадокс – 俄文" lang="ru" hreflang="ru" data-title="Временной парадокс" data-language-autonym="Русский" data-language-local-name="俄文" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Temporal_paradox" title="Temporal paradox – Simple English" lang="en-simple" hreflang="en-simple" data-title="Temporal paradox" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Zamansal_paradoks" title="Zamansal paradoks – 土耳其文" lang="tr" hreflang="tr" data-title="Zamansal paradoks" data-language-autonym="Türkçe" data-language-local-name="土耳其文" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A7%D0%B0%D1%81%D0%BE%D0%B2%D0%B8%D0%B9_%D0%BF%D0%B0%D1%80%D0%B0%D0%B4%D0%BE%D0%BA%D1%81" title="Часовий парадокс – 烏克蘭文" lang="uk" hreflang="uk" data-title="Часовий парадокс" data-language-autonym="Українська" data-language-local-name="烏克蘭文" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Vaqt_paradoksi" title="Vaqt paradoksi – 烏茲別克文" lang="uz" hreflang="uz" data-title="Vaqt paradoksi" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="烏茲別克文" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Ngh%E1%BB%8Bch_l%C3%BD_th%E1%BB%9Di_gian" title="Nghịch lý thời gian – 越南文" lang="vi" hreflang="vi" data-title="Nghịch lý thời gian" data-language-autonym="Tiếng Việt" data-language-local-name="越南文" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%97%B6%E9%97%B4%E6%82%96%E8%AE%BA" title="时间悖论 – 中文" lang="zh" hreflang="zh" data-title="时间悖论" data-language-autonym="中文" data-language-local-name="中文" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q33447#sitelinks-wikipedia" title="改跨語言拎" class="wbc-editpage">改拎</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="空間名"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%E6%99%82%E9%96%93%E6%82%96%E8%AB%96" title="睇吓內容頁[c]" accesskey="c"><span>文章</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:%E6%99%82%E9%96%93%E6%82%96%E8%AB%96" rel="discussion" title="關於內容頁嘅討論[t]" accesskey="t"><span>討論</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="改語言變體" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">粵語</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="外觀"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%E6%99%82%E9%96%93%E6%82%96%E8%AB%96"><span>閱</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%E6%99%82%E9%96%93%E6%82%96%E8%AB%96&action=edit" title="改呢版嘅代碼[e]" accesskey="e"><span>改</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%E6%99%82%E9%96%93%E6%82%96%E8%AB%96&action=history" title="呢一頁之前嘅修訂[h]" accesskey="h"><span>睇返紀錄</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" 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class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">閱讀設定</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">移去側欄</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">收埋</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">出自維基百科，自由嘅百科全書</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="yue" dir="ltr"><figure typeof="mw:File/Thumb"><a href="/wiki/File:Grandfather_paradox_billiard_ball.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/88/Grandfather_paradox_billiard_ball.svg/300px-Grandfather_paradox_billiard_ball.svg.png" decoding="async" width="300" height="361" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/88/Grandfather_paradox_billiard_ball.svg/450px-Grandfather_paradox_billiard_ball.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/88/Grandfather_paradox_billiard_ball.svg/600px-Grandfather_paradox_billiard_ball.svg.png 2x" data-file-width="540" data-file-height="650" /></a><figcaption><a href="/wiki/%E7%AF%A4%E6%B3%A2" class="mw-redirect" title="篤波">篤波</a>引起嘅時間悖論嘅圖例</figcaption></figure> <p>响廿一世紀初，<b>時間悖論</b>（<a href="/wiki/Wikipedia:%E7%B2%B5%E6%96%87%E6%8B%BC%E9%9F%B3" title="Wikipedia:粵文拼音">粵拼</a>：<span class="plainlinks" style="display:inline-block"><a rel="nofollow" class="external text" href="http://yue.forvo.com/word/yue/時間悖論/#yue"><span>si<span class="Jpingtone">4</span> gaan<span class="Jpingtone">3</span> bui<span class="Jpingtone">3</span> leon<span class="Jpingtone">6</span></span></a></span>；<a href="/wiki/%E8%8B%B1%E6%96%87" title="英文">英文</a>：<span lang="en"><b>time paradox / temporal paradox</b></span>）係<a href="/wiki/Sci-fi" class="mw-redirect" title="Sci-fi">sci-fi</a> 同<a href="/wiki/%E7%89%A9%E7%90%86%E5%AD%B8" title="物理學">物理學</a>嘅<a href="/wiki/%E6%99%82%E9%96%93" title="時間">時間</a>相關研究上成日提到嘅一個概念，包括一啲<a href="/wiki/%E6%99%82%E7%A9%BA%E7%A9%BF%E6%A2%AD" title="時空穿梭">時空穿梭</a>會引起嘅<a href="/wiki/%E6%82%96%E8%AB%96" title="悖論">悖論</a>或者<a href="/wiki/%E7%9F%9B%E7%9B%BE" title="矛盾">矛盾</a>。 </p><p>自從廿世紀開始，sci-fi 同第啲<a href="/wiki/%E6%96%87%E5%8C%96%E7%94%A2%E7%89%A9" class="mw-redirect" title="文化產物">文化產物</a>就成日對時空穿梭作出各種嘅幻想，用時空穿梭做<a href="/wiki/%E6%A9%8B%E6%AE%B5" title="橋段">橋段</a>：有好多工作者（例如係寫 sci-fi 嘅<a href="/wiki/%E4%BD%9C%E5%AE%B6" title="作家">作家</a>）諗深一層發覺，如果時空穿梭真係成真，似乎會引起好多唔合<a href="/wiki/%E9%82%8F%E8%BC%AF" title="邏輯">邏輯</a>嘅嘢；廣義上嘅「時間悖論」就係泛指「時空穿梭成真」會引起嘅呢啲問題。物理學研究亦有用時間悖論嚟做<a href="/wiki/%E6%80%9D%E6%83%B3%E5%AF%A6%E9%A9%97" title="思想實驗">思想實驗</a>。 </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="基本定義"><span id=".E5.9F.BA.E6.9C.AC.E5.AE.9A.E7.BE.A9"></span>基本定義</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E6%99%82%E9%96%93%E6%82%96%E8%AB%96&action=edit&section=1" title="編輯小節: 基本定義"><span>編輯</span></a><span class="mw-editsection-bracket">]</span></span></div> <div role="note" class="hatnote">内文：<a href="/wiki/%E6%99%82%E7%A9%BA%E7%A9%BF%E6%A2%AD" title="時空穿梭">時空穿梭</a>同<a href="/wiki/%E5%9B%A0%E6%9E%9C%E9%97%9C%E4%BF%82" title="因果關係">因果關係</a></div> <div role="note" class="hatnote">睇埋：<a href="/wiki/%E6%99%82%E9%96%93%E8%B7%B3%E8%BA%8D" title="時間跳躍">時間跳躍</a></div> <p>時間悖論<a href="/wiki/%E5%AE%9A%E7%BE%A9" title="定義">定義</a>上可以係指<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>： </p> <table align="center" style="border-collapse:collapse; border-style:none; background-color:transparent; margin: 5px auto;" class="cquote"> <tbody><tr> <td valign="top" style="width:20px; color:#B2B7F2; font-size:40px; font-family:Elephant,'Times New Roman',serif; font-weight:bold; text-align:left; padding:10px 10px;">「 </td> <td><div style="display: table-cell; text-align: left; padding: 1em; vertical-align: middle;"><a href="/wiki/%E7%B2%B5%E6%96%87" title="粵文">粵文</a>翻譯：（時間悖論係）一場<a href="/wiki/%E5%81%87%E8%AA%AA" title="假說">假想中</a>源於有人<a href="/wiki/%E6%99%82%E7%A9%BA%E7%A9%BF%E6%A2%AD" title="時空穿梭">返咗過去嘅時空</a>而起嘅時間線<a href="/wiki/%E5%9B%A0%E6%9E%9C%E9%97%9C%E4%BF%82" title="因果關係">因果關係</a><a href="/wiki/%E7%9F%9B%E7%9B%BE" title="矛盾">矛盾</a>。</div> </td> <td valign="bottom" style="width:20px; color:#B2B7F2; font-size:40px; font-family:Elephant,'Times New Roman',serif; font-weight:bold; text-align:right; padding:10px 10px;">」 </td></tr></tbody></table> <p>舉個具體例子，睇住文頭幅圖例，想像家陣有個<a href="/wiki/%E7%AF%A4%E6%B3%A2" class="mw-redirect" title="篤波">篤波</a>用嘅黑色八號波， </p> <ul><li>時間點 1：有人一嘢篤個波，令個波向前<a href="/wiki/%E9%83%81%E5%8B%95" class="mw-redirect" title="郁動">郁動</a>；</li> <li>時間點 2：個波沿住<a href="/wiki/%E7%9B%B4%E7%B7%9A" class="mw-redirect" title="直線">直線</a>郁動期間，突然有第個波由佢左邊（由個波角度睇）撞佢，搞到佢向右飛；</li> <li>時間點 3：個波飛咗若干距離後，有人用<a href="/wiki/%E6%99%82%E5%85%89%E6%A9%9F" class="mw-redirect" title="時光機">時光機</a>令佢返到<a href="/wiki/%E9%81%8E%E5%8E%BB" class="mw-redirect" title="過去">過去</a>，並且响時間點 2 撞到過去嘅自己</li></ul> <p>－喺呢個過程當中，一件响<a href="/wiki/%E5%B0%87%E4%BE%86" class="mw-redirect" title="將來">將來</a>發生嘅事（個波响時間點 3 嘅郁動）似乎引起咗一件响過去發生嘅事（個波响時間點 2 畀第個波撞到）。呢點畀人認為係一個悖論－因為一般認為，<a href="/wiki/%E5%9B%A0%E6%9E%9C%E9%97%9C%E4%BF%82" title="因果關係">因果關係</a>其中一個重點特徵係，<b>因</b>時間上係要發生响<b>果</b>之前嘅<sup id="cite_ref-Lobo2003_2-0" class="reference"><a href="#cite_note-Lobo2003-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>。 </p> <div class="mw-heading mw-heading2"><h2 id="祖父悖論"><span id=".E7.A5.96.E7.88.B6.E6.82.96.E8.AB.96"></span>祖父悖論</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E6%99%82%E9%96%93%E6%82%96%E8%AB%96&action=edit&section=2" title="編輯小節: 祖父悖論"><span>編輯</span></a><span class="mw-editsection-bracket">]</span></span></div> <div role="note" class="hatnote">内文：<a href="/wiki/%E7%A5%96%E7%88%B6%E6%82%96%E8%AB%96" title="祖父悖論">祖父悖論</a></div> <p><a href="/wiki/%E7%A5%96%E7%88%B6%E6%82%96%E8%AB%96" title="祖父悖論">祖父悖論</a><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>英 1<span class="cite-bracket">]</span></a></sup>係一個好出名嘅時間悖論。最基本嗰款祖父悖論係噉嘅：想像而家有個人，叫佢做「阿明」，阿明坐住時光機返咗上一個世紀；阿明時空穿梭嗰陣唔小心，錯手殺死咗自己<a href="/wiki/%E9%98%BF%E7%88%BA" class="mw-redirect" title="阿爺">阿爺</a><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>註 1<span class="cite-bracket">]</span></a></sup>；噉問題就出現喇－「阿明阿爺存在並且結婚生細路」係「阿明存在」嘅<a href="/wiki/%E5%BF%85%E8%A6%81%E6%A2%9D%E4%BB%B6" class="mw-redirect" title="必要條件">必要條件</a>，如果一個人响生到任何細路之前就死咗，噉佢嘅孫理應會冇可能再存在，但响阿明嘅情況當中，「阿明存在」係「阿明阿爺响生到任何細路之前就死咗」嘅起因，噉即係話<sup id="cite_ref-Lobo2003_2-1" class="reference"><a href="#cite_note-Lobo2003-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <ul><li>設 A 做「阿明阿爺存在並且結婚生細路」；</li> <li>設 B 做「阿明存在」；</li></ul> <p>A 引起 B 而且係 B 嘅必要條件，但 B 嘅發生最後又搞到 A <b>唔</b>再發生，噉 A 唔發生，（A 係 B 嘅必要條件）B 就應該唔再發生得到，不過既然 B 引致 A 唔發生，B 唔發生嘅話 A 就應該會正常噉發生... 如是者，就出現咗場<a href="/wiki/%E7%9F%9B%E7%9B%BE" title="矛盾">矛盾</a>。 </p><p>對於祖父悖論嘅問題，有唔少思考者都嘗試諗方法解開，當中<a href="/wiki/%E8%AB%BE%E5%9F%9F%E7%A2%BA%E5%A4%AB%E8%87%AA%E4%B8%80%E8%87%B4%E5%8E%9F%E5%89%87" title="諾域確夫自一致原則">諾域確夫自一致原則</a><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>英 2<span class="cite-bracket">]</span></a></sup>就係噉諗嘅：根據諾域確夫自一致原則，一個時空穿梭返咗過去嘅人，唔會有能力引起任何冇實際發生過嘅嘢，而「阿明阿爺响生到任何細路之前就死咗」呢樣嘢冇發生，所以阿明坐住時光機返到過去嗰陣做啲乜，都唔會引起「阿明阿爺响生到任何細路之前就死咗」呢件事<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>。 </p> <div class="mw-heading mw-heading2"><h2 id="睇埋"><span id=".E7.9D.87.E5.9F.8B"></span>睇埋</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E6%99%82%E9%96%93%E6%82%96%E8%AB%96&action=edit&section=3" title="編輯小節: 睇埋"><span>編輯</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>《<a href="/wiki/%E5%9B%9E%E5%88%B0%E6%9C%AA%E4%BE%86%E7%B3%BB%E5%88%97" title="回到未來系列">回到未來</a>》：呢個系列嘅戲成日講到時間悖論嘅嘢。</li> <li><a href="/wiki/%E6%99%82%E5%BA%8F%E4%BF%9D%E8%AD%B7%E7%8C%9C%E6%83%B3" title="時序保護猜想">時序保護猜想</a></li> <li><a href="/wiki/%E8%9F%B2%E6%B4%9E" title="蟲洞">蟲洞</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="註釋"><span id=".E8.A8.BB.E9.87.8B"></span>註釋</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E6%99%82%E9%96%93%E6%82%96%E8%AB%96&action=edit&section=4" title="編輯小節: 註釋"><span>編輯</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r2020813">.mw-parser-output .reflist{font-size:90%;margin-bottom:0.5em;list-style-type:decimal}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text">同時假設阿明係返咗個「佢阿爺仲未結婚生細路」嘅時間點。</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="攷"><span id=".E6.94.B7"></span>攷</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E6%99%82%E9%96%93%E6%82%96%E8%AB%96&action=edit&section=5" title="編輯小節: 攷"><span>編輯</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r2020813"><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.dictionary.com/browse/time-paradox">time paradox</a>. <i>www.dictionary.com</i>，原版<a href="/wiki/%E8%8B%B1%E6%96%87" title="英文">英文</a>："... a hypothetical contradiction of cause-and-effect within a timeline that results from traveling back in time."</span> </li> <li id="cite_note-Lobo2003-2"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Lobo2003_2-0">2.0</a></sup> <sup><a href="#cite_ref-Lobo2003_2-1">2.1</a></sup></span> <span class="reference-text">Lobo, Francisco (2003). "Time, Closed Timelike Curves and Causality". <i>The Nature of Time: Geometry, Physics and Perception</i>. NATO Science Series II. Vol. 95. pp. 289-296.</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text">Friedman, J.; M. Morris; I. Novikov; F. Echeverria; G. Klinkhammer; K. Thorne; U. Yurtsever (1990). "Cauchy problem in spacetimes with closed timelike curves". <i>Physical Review D</i>. 42 (6): 1915.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="拎"><span id=".E6.8B.8E"></span>拎</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E6%99%82%E9%96%93%E6%82%96%E8%AB%96&action=edit&section=6" title="編輯小節: 拎"><span>編輯</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span style="font-family: sans-serif; cursor: default; color: var(--color-subtle, #555); font-size: 0.8em; position: relative; bottom: 0.1em; font-weight: bold;" title="連到英文網頁">（英文）</span> <a rel="nofollow" class="external text" href="https://tvtropes.org/pmwiki/pmwiki.php/Main/TemporalParadox">Temporal Paradox</a>. <i><a href="/wiki/TV_Tropes" title="TV Tropes">TV Tropes</a></i>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="英"><span id=".E8.8B.B1"></span>英</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E6%99%82%E9%96%93%E6%82%96%E8%AB%96&action=edit&section=7" title="編輯小節: 英"><span>編輯</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r2020813"><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">grandfather paradox</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text">Novikov self-consistency principle</span> </li> </ol></div></div> <div role="navigation" class="navbox" aria-labelledby="科幻" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><div class="plainlinks hlist navbar mini"><ul><li class="nv-view"><a href="/wiki/Template:%E7%A7%91%E5%B9%BB" title="Template:科幻"><abbr title="去睇呢個模" style=";;background:none transparent;border:none;-moz-box-shadow:none;-webkit-box-shadow:none;box-shadow:none; padding:0;">睇</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:%E7%A7%91%E5%B9%BB" title="Template talk:科幻"><abbr title="傾呢個模" style=";;background:none transparent;border:none;-moz-box-shadow:none;-webkit-box-shadow:none;box-shadow:none; padding:0;">傾</abbr></a></li><li class="nv-edit"><a class="external text" href="https://zh-yue.wikipedia.org/w/index.php?title=Template:%E7%A7%91%E5%B9%BB&action=edit"><abbr title="編輯呢個模" style=";;background:none transparent;border:none;-moz-box-shadow:none;-webkit-box-shadow:none;box-shadow:none; padding:0;">改</abbr></a></li></ul></div><div id="科幻" style="font-size:114%;margin:0 4em"><a href="/wiki/%E7%A7%91%E5%B9%BB" title="科幻">科幻</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="3"><div id="對科學同科技作出幻想嘅虛構故仔，包括文學同埋電影">對<a href="/wiki/%E7%A7%91%E5%AD%B8" title="科學">科學</a>同<a href="/wiki/%E7%A7%91%E6%8A%80" title="科技">科技</a>作出幻想嘅<a href="/wiki/%E8%99%9B%E6%A7%8B%E6%95%85%E4%BB%94" title="虛構故仔">虛構故仔</a>，包括<a href="/wiki/%E7%A7%91%E5%B9%BB%E6%96%87%E5%AD%B8" title="科幻文學">文學</a>同埋<a href="/wiki/%E7%A7%91%E5%B9%BB%E7%89%87" title="科幻片">電影</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">基本概念</th><td class="navbox-list navbox-odd hlist" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E7%A7%91%E5%AD%B8" title="科學">科學</a>、<a href="/wiki/%E7%A7%91%E6%8A%80" title="科技">科技</a>同<a href="/wiki/%E5%B7%A5%E7%A8%8B%E5%AD%B8" title="工程學">工程學</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%9C%AA%E4%BE%86" class="mw-redirect" title="未來">未來</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E7%A1%AC%E7%A7%91%E5%B9%BB" title="硬科幻">硬科幻</a>同<a href="/wiki/%E8%BB%9F%E7%A7%91%E5%B9%BB" title="軟科幻">軟科幻</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E7%A8%B1%E5%A5%87%E6%84%9F" title="稱奇感">稱奇感</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%A4%AA%E7%A9%BA%E6%AD%8C%E5%8A%87" title="太空歌劇">太空歌劇</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E8%BB%8D%E4%BA%8B%E7%A7%91%E5%B9%BB" title="軍事科幻">軍事科幻</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/Tech_noir" title="Tech noir">Tech noir</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E7%A7%91%E5%B9%BB%E7%A0%94%E7%A9%B6" title="科幻研究">科幻研究</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%9C%AA%E4%BE%86%E5%AD%B8" title="未來學">未來學</a></div></td><td class="navbox-image" rowspan="5" style="width:1px;padding:0px 0px 0px 2px"><div><span typeof="mw:File"><a href="/wiki/File:Science-fiction-writing.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/98/Science-fiction-writing.svg/150px-Science-fiction-writing.svg.png" decoding="async" width="150" height="180" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/98/Science-fiction-writing.svg/225px-Science-fiction-writing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/98/Science-fiction-writing.svg/300px-Science-fiction-writing.svg.png 2x" data-file-width="750" data-file-height="900" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/%E6%95%B8%E7%A2%BC%E9%AC%85%E5%AE%A2%E8%A1%8D%E7%94%9F%E9%AB%94%E8%A3%81" title="數碼鬅客衍生體裁">鬅客類型</a></th><td class="navbox-list navbox-even hlist" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E6%95%B8%E7%A2%BC%E9%AC%85%E5%AE%A2" title="數碼鬅客">數碼鬅客</a>（<a href="/wiki/%E6%97%A5%E6%9C%AC%E6%95%B8%E7%A2%BC%E9%AC%85%E5%AE%A2" title="日本數碼鬅客">日本數碼鬅客</a>）<span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E8%92%B8%E6%B1%BD%E9%AC%85%E5%AE%A2" title="蒸汽鬅客">蒸汽鬅客</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%9F%B4%E6%B2%B9%E9%AC%85%E5%AE%A2" title="柴油鬅客">柴油鬅客</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%A4%AA%E9%99%BD%E9%AC%85%E5%AE%A2" title="太陽鬅客">太陽鬅客</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E7%94%9F%E7%89%A9%E9%AC%85%E5%AE%A2" title="生物鬅客">生物鬅客</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E7%B4%8D%E7%B1%B3%E9%AC%85%E5%AE%A2" title="納米鬅客">納米鬅客</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">常用橋段<br />（<a href="/wiki/%E7%A7%91%E5%B9%BB%E6%A9%8B%E6%AE%B5%E4%B8%80%E8%A6%BD" title="科幻橋段一覽">一覽</a>）</th><td class="navbox-list navbox-odd hlist" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;padding-left:0em;padding-right:0em;"><div style="padding:0em 0.75em;">背景設定</div></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E7%83%8F%E6%89%98%E9%82%A6" title="烏托邦">烏托邦</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%83%A1%E6%89%98%E9%82%A6" title="惡托邦">惡托邦</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E8%B6%85%E5%A4%A7%E5%9E%8B%E4%BC%81%E6%A5%AD" title="超大型企業">超大型企業</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%9C%93%E9%A0%82%E5%9F%8E%E5%B8%82" title="圓頂城市">圓頂城市</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%9C%AB%E6%97%A5%E5%B9%BB%E6%83%B3" title="末日幻想">末日幻想</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%9E%B6%E7%A9%BA%E6%AD%B7%E5%8F%B2" title="架空歷史">架空歷史</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%BE%8C%E7%A8%80%E7%BC%BA" title="後稀缺">後稀缺</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;padding-left:0em;padding-right:0em;"><div style="padding:0em 0.75em;"><a href="/wiki/%E7%89%A9%E7%90%86%E5%AD%B8" title="物理學">物理</a>相關</div></th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E5%B9%B3%E8%A1%8C%E4%B8%96%E7%95%8C" title="平行世界">平行世界</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E8%9F%B2%E6%B4%9E" title="蟲洞">蟲洞</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E8%B6%85%E5%85%89%E9%80%9F" title="超光速">超光速</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%99%82%E7%A9%BA%E7%A9%BF%E6%A2%AD" title="時空穿梭">時空穿梭</a>（<a href="/wiki/%E6%99%82%E9%96%93%E8%B7%B3%E8%BA%8D" title="時間跳躍">時間跳躍</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%99%82%E5%85%89%E6%A9%9F" class="mw-redirect" title="時光機">時光機</a>）<span style="white-space:nowrap; font-weight:bold;"> ·</span> <a class="mw-selflink selflink">時間悖論</a>（<a href="/wiki/%E5%91%BD%E5%AE%9A%E6%82%96%E8%AB%96" title="命定悖論">命定悖論</a>同<a href="/wiki/%E7%A5%96%E7%88%B6%E6%82%96%E8%AB%96" title="祖父悖論">祖父悖論</a>）</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;padding-left:0em;padding-right:0em;"><div style="padding:0em 0.75em;"><a href="/wiki/%E5%A4%AA%E7%A9%BA" title="太空">太空</a>相關</div></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E5%A4%AA%E7%A9%BA%E7%A7%BB%E6%B0%91" title="太空移民">移民去外太空</a>（<a href="/wiki/%E4%B8%96%E4%BB%A3%E9%A3%9B%E8%88%B9" title="世代飛船">世代飛船</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%9C%B0%E7%90%83%E5%8C%96" title="地球化">地球化</a>）<span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E8%BB%8C%E9%81%93%F0%A8%8B%A2" title="軌道𨋢">軌道𨋢</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%88%B4%E6%A3%AE%E7%90%83" title="戴森球">戴森球</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%A4%AA%E7%A9%BA%E6%B5%B7%E8%B3%8A" title="太空海賊">太空海賊</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;padding-left:0em;padding-right:0em;"><div style="padding:0em 0.75em;"><a href="/wiki/%E5%A4%96%E6%98%9F%E4%BA%BA" title="外星人">外星智能</a></div></th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E7%81%AB%E6%98%9F%E4%BA%BA" title="火星人">火星人</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%A4%96%E6%98%9F%E7%94%9F%E5%91%BD%E4%BE%B5%E7%95%A5" title="外星生命侵略">外星生命侵略</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E7%AC%AC%E4%B8%80%E6%AC%A1%E6%8E%A5%E8%A7%B8" title="第一次接觸">第一次接觸</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%8F%A4%E4%BB%A3%E5%A4%AA%E7%A9%BA%E4%BA%BA" title="古代太空人">古代太空人</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E8%B2%BB%E7%B1%B3%E6%82%96%E8%AB%96" title="費米悖論">費米悖論</a></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;padding-left:0em;padding-right:0em;"><div style="padding:0em 0.75em;"><a href="/wiki/%E7%94%9F%E7%89%A9%E5%AD%B8" title="生物學">生物</a>相關</div></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E5%9F%BA%E5%9B%A0%E8%A4%87%E8%A3%BD" title="基因複製">基因複製</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%9F%BA%E5%9B%A0%E5%B7%A5%E7%A8%8B" title="基因工程">基因工程</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E4%BA%BA%E9%AB%94%E5%86%B7%E5%87%8D%E6%8A%80%E8%A1%93" title="人體冷凍技術">人體冷凍技術</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%9A%AB%E5%81%9C%E7%94%9F%E5%91%BD" title="暫停生命">暫停生命</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E9%80%B2%E5%8C%96" title="進化">進化</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;padding-left:0em;padding-right:0em;"><div style="padding:0em 0.75em;"><a href="/wiki/%E5%BF%83%E9%9D%88%E7%A7%91%E5%AD%B8" class="mw-redirect" title="心靈科學">心靈</a>相關</div></th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E5%BF%83%E9%9D%88%E4%B8%8A%E8%BC%89" title="心靈上載">心靈上載</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E8%85%A6%E6%A9%9F%E4%BB%8B%E9%9D%A2" title="腦機介面">腦機介面</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E8%B3%87%E8%A8%8A%E7%A9%BA%E9%96%93" title="資訊空間">資訊空間</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E8%85%A6%E9%83%A8%E7%A7%BB%E6%A4%8D" title="腦部移植">腦部移植</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%A1%B6%E4%B8%AD%E8%85%A6" title="桶中腦">桶中腦</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E9%9B%86%E5%90%88%E5%BF%83%E9%9D%88" title="集合心靈">集合心靈</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%80%9D%E6%83%B3%E6%8E%A7%E5%88%B6" title="思想控制">思想控制</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;padding-left:0em;padding-right:0em;"><div style="padding:0em 0.75em;"><a href="/wiki/%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD" title="人工智能">AI</a> 相關</div></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E5%BC%B7%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD" title="強人工智能">強 AI</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD%E5%8F%9B%E8%AE%8A" title="人工智能叛變">AI 叛變</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%A9%9F%E6%A2%B0%E4%BA%BA%E4%B8%89%E5%AE%9A%E5%BE%8B" title="機械人三定律">機械人三定律</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E7%A7%91%E5%AD%B8%E6%80%AA%E4%BA%BA%E6%83%85%E7%B5%90" title="科學怪人情結">科學怪人情結</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E4%BA%BA%E5%BD%A2%E6%A9%9F%E6%A2%B0%E4%BA%BA" title="人形機械人">人形機械人</a>（<a href="/wiki/%E5%A5%B3%E6%80%A7%E4%BA%BA%E5%BD%A2%E6%A9%9F%E6%A2%B0%E4%BA%BA" title="女性人形機械人">Fembot</a>）</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;padding-left:0em;padding-right:0em;"><div style="padding:0em 0.75em;"><a href="/wiki/%E8%BB%8D%E4%BA%8B%E7%A7%91%E6%8A%80" title="軍事科技">軍事</a>相關</div></th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E7%A7%91%E5%B9%BB%E7%95%B6%E4%B8%AD%E5%98%85%E6%AD%A6%E5%99%A8" title="科幻當中嘅武器">科幻當中嘅武器</a>（<a href="/wiki/%E6%AD%BB%E5%85%89%E6%A7%8D" title="死光槍">死光槍</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%A9%9F%E7%94%B2" title="機甲">機甲</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%9C%AB%E6%97%A5%E6%A9%9F" title="末日機">末日機</a>）<span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E8%B6%85%E7%B4%9A%E5%A3%AB%E5%85%B5" title="超級士兵">超級士兵</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%8A%9B%E5%A0%B4" title="力場">力場</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;padding-left:0em;padding-right:0em;"><div style="padding:0em 0.75em;">拉雜橋段</div></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E8%B6%85%E8%83%BD%E5%8A%9B" title="超能力">超能力</a>（<a href="/wiki/%E5%BF%B5%E5%8A%9B" title="念力">念力</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%BF%83%E9%9D%88%E6%84%9F%E6%87%89" title="心靈感應">心靈感應</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E7%9E%AC%E9%96%93%E8%BD%89%E7%A7%BB" title="瞬間轉移">瞬間轉移</a>）<span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%94%B9%E9%80%A0%E4%BA%BA" title="改造人">改造人</a>同<a href="/wiki/%E8%B6%85%E4%BA%BA%E9%A1%9E%E4%B8%BB%E7%BE%A9" title="超人類主義">超人類主義</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E7%A7%91%E6%8A%80%E5%A5%87%E7%95%B0%E9%BB%9E" title="科技奇異點">科技奇異點</a></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">科幻界</th><td class="navbox-list navbox-even hlist" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E7%A7%91%E5%B9%BB%E5%8F%B2" title="科幻史">科幻史</a>（<a href="/wiki/%E7%A7%91%E5%B9%BB%E6%96%B0%E6%B5%AA%E6%BD%AE" title="科幻新浪潮">科幻新浪潮</a>）<span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/H.G.%E5%A8%81%E7%88%BE%E6%96%AF" title="H.G.威爾斯">H.G. 威爾斯</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E9%98%BF%E8%A5%BF%E8%8E%AB%E5%A4%AB" title="阿西莫夫">阿西莫夫</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E7%BE%85%E6%8B%94%E6%B5%B7%E8%90%8A%E5%9B%A0" title="羅拔海萊因">羅拔海萊因</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%A8%81%E5%BB%89%E5%90%89%E6%A3%AE" title="威廉吉森">威廉吉森</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> 獎項（<a href="/wiki/%E9%9B%A8%E6%9E%9C%E7%8D%8E" title="雨果獎">雨果獎</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%98%9F%E9%9B%B2%E7%8D%8E" title="星雲獎">星雲獎</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%9C%9F%E6%98%9F%E7%8D%8E" title="土星獎">土星獎</a>）</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">拉雜相關</th><td class="navbox-list navbox-odd hlist" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E7%A7%91%E5%B9%BB%E9%9B%9C%E8%AA%8C" title="科幻雜誌">科幻雜誌</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%8E%A8%E6%83%B3%E5%9E%8B%E6%95%85%E4%BB%94" title="推想型故仔">推想型故仔</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E5%A5%87%E5%B9%BB" title="奇幻">奇幻</a>（<a href="/wiki/%E7%A7%91%E5%AD%B8%E5%A5%87%E5%B9%BB" title="科學奇幻">科學奇幻</a>）<span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%84%9B%E5%8D%A1%E5%A4%AB%E5%BC%8F%E6%81%90%E6%80%96" title="愛卡夫式恐怖">愛卡夫式恐怖</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E7%95%B0%E4%B8%96%E7%95%8C" title="異世界">異世界</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E6%80%AA%E5%A5%87%E6%95%85%E4%BB%94" title="怪奇故仔">怪奇故仔</a><span style="white-space:nowrap; font-weight:bold;"> ·</span> <a href="/wiki/%E7%A7%91%E5%AD%B8%E6%80%AA%E4%BA%BA" title="科學怪人">科學怪人</a></div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div><a href="/wiki/Category:%E7%A7%91%E5%B9%BB" title="Category:科幻">科幻類</a></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">由「<a dir="ltr" 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