英美文化：教你如何科学地切蛋糕
<p> 英美文化：教你如何科学地切蛋糕</p><p> <span word="You">You</span>'<span word="ve">ve</span> <span word="had">had</span> <span word="your">your</span> <span word="share">share</span> <span word="of">of</span> <span word="birthdays">birthdays</span> <span word="so">so</span> <span word="you">you</span> <span word="know">know</span> <span word="perfectly">perfectly</span> <span word="well">well</span> <span word="how">how</span> <span word="to">to</span> <span word="cut">cut</span> <span word="a">a</span> <span word="cake">cake</span>, <span word="right">right</span>?</p><p> 你已经过了好几次生日了，所以你觉得你很懂怎么切蛋糕，对吗?</p><p> <span word="Don">Don</span>'<span word="t">t</span> <span word="count">count</span> <span word="on">on</span> <span word="it">it</span>.</p><p> 千万别这么想。</p><p> <span word="As">As</span> <span word="British">British</span> <span word="mathematician">mathematician</span> <span word="Alex">Alex</span> <span word="Bellos">Bellos</span> <span word="explains">explains</span> <span word="in">in</span> <span word="a">a</span> <span word="fun">fun</span> <span word="new">new</span> <span word="video">video</span> <span word="from">from</span> <span word="his">his</span> <span word="Numberphile">Numberphile</span> <span word="series">series</span>, <span word="the">the</span> <span word="traditional">traditional</span> <span word="approach">approach</span> <span word="to">to</span> <span word="divvying">divvying</span> <span word="up">up</span> <span word="a">a</span> <span word="cake">cake</span> -- <span word="cutting">cutting</span> <span word="a">a</span> <span word="series">series</span> <span word="of">of</span> <span word="wedges">wedges</span> -- <span word="just">just</span> <span word="doesn">doesn</span>'<span word="t">t</span> <span word="cut">cut</span> <span word="it">it</span> <span word="from">from</span> <span word="a">a</span> <span word="scientific">scientific</span> <span word="standpoint">standpoint</span>，<span word="or">or</span> <span word="from">from</span> <span word="the">the</span> <span word="standpoint">standpoint</span> <span word="of">of</span> <span word="flavor">flavor</span>.</p><p> 在&<span word="ldquo">ldquo</span>;数字狂系列短片里，英国数学家亚历克斯&<span word="middot">middot</span>;贝洛斯详细解释了把蛋糕切成多个楔形的方法，不是科学的切法，而且也不是一个保留口感的切法。</p><p> "<span word="You">You</span>'<span word="re">re</span> <span word="not">not</span> <span word="maximizing">maximizing</span> <span word="the">the</span> <span word="amount">amount</span> <span word="of">of</span> <span word="gastronomic">gastronomic</span> <span word="pleasure">pleasure</span> <span word="that">that</span> <span word="you">you</span> <span word="can">can</span> <span word="make">make</span> <span word="from">from</span> <span word="this">this</span> <span word="cake">cake</span>," <span word="he">he</span> <span word="says">says</span> <span word="in">in</span> <span word="the">the</span> <span word="video">video</span>, <span word="adding">adding</span> <span word="that">that</span> <span word="once">once</span> <span word="you">you</span> <span word="cut">cut</span> <span word="out">out</span> <span word="a">a</span> <span word="wedge">wedge</span>, <span word="you">you</span> <span word="expose">expose</span> <span word="the">the</span> <span word="inside">inside</span> <span word="of">of</span> <span word="the">the</span> <span word="cake">cake</span> <span word="to">to</span> <span word="the">the</span> <span word="air">air</span> -- <span word="and">and</span> <span word="it">it</span> <span word="dries">dries</span> <span word="out">out</span>.</p><p> "你没有从蛋糕上极大限度地获得美食带来的愉悦，" 在短片里他这样说道，并补充说一旦你切下一块蛋糕，蛋糕的内部就暴露在空气中&<span word="mdash">mdash</span>;&<span word="mdash">mdash</span>;然后它就会被风干。</p><p> <span word="A">A</span> <span word="better">better</span> <span word="way">way</span>, <span word="Bellos">Bellos</span> <span word="says">says</span>, <span word="has">has</span> <span word="existed">existed</span> <span word="for">for</span> <span word="more">more</span> <span word="than">than</span> <span word="a">a</span> <span word="century">century</span>. <span word="In">In</span> 1906 <span word="the">the</span> <span word="journal">journal</span> <span word="Nature">Nature</span> <span word="ran">ran</span> <span word="a">a</span> <span word="letter">letter</span> <span word="from">from</span> <span word="Francis">Francis</span> <span word="Galton">Galton</span> <span word="in">in</span> <span word="which">which</span> <span word="the">the</span> <span word="celebrated">celebrated</span> <span word="British">British</span> <span word="polymath">polymath</span> <span word="offered">offered</span> -- "<span word="for">for</span> <span word="his">his</span> <span word="own">own</span> <span word="amusement">amusement</span> <span word="and">and</span> <span word="satisfaction">satisfaction</span>" -- <span word="what">what</span> <span word="he">he</span> <span word="considered">considered</span> <span word="a">a</span> <span word="superior">superior</span> <span word="method">method</span> <span word="of">of</span> <span word="cutting">cutting</span> <span word="a">a</span> <span word="cake">cake</span>. <span word="The">The</span> <span word="goal">goal</span>, <span word="he">he</span> <span word="wrote">wrote</span>, <span word="was">was</span> <span word="to">to</span> <span word="cut">cut</span> <span word="it">it</span> "<span word="so">so</span> <span word="as">as</span> <span word="to">to</span> <span word="leave">leave</span> <span word="a">a</span> <span word="minimum">minimum</span> <span word="surface">surface</span> <span word="to">to</span> <span word="become">become</span> <span word="dry">dry</span>."</p>
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