2017迎来闰秒：全球计算机陷入恐慌
<p><span word="The">The</span> <span word="year">year</span> 2017 <span word="will">will</span> <span word="have">have</span> <span word="an">an</span> <span word="extra">extra</span> <span word="second">second</span> — <span word="which">which</span> <span word="could">could</span> <span word="wreak">wreak</span> <span word="havoc">havoc</span> <span word="on">on</span> <span word="the">the</span> <span word="infrastructure">infrastructure</span> <span word="powering">powering</span> <span word="the">the</span> <span word="internet">internet</span>.</p><p>2017年将会多一秒钟——这会对网络基础设施造成严重破坏。</p><p><span word="At">At</span> 11.59 <span word="on">on</span> <span word="June">June</span> 30, <span word="clocks">clocks</span> <span word="will">will</span> <span word="count">count</span> <span word="up">up</span> <span word="all">all</span> <span word="the">the</span> <span word="way">way</span> <span word="to">to</span> 60 <span word="seconds">seconds</span>. <span word="That">That</span> <span word="will">will</span> <span word="allow">allow</span> <span word="the">the</span> <span word="Earth">Earth</span>’<span word="s">s</span> <span word="spin">spin</span> <span word="to">to</span> <span word="catch">catch</span> <span word="up">up</span> <span word="with">with</span> <span word="atomic">atomic</span> <span word="time">time</span>.</p><p>6月30日11点59分，时钟会一直走到60秒，那会使得地球自转赶上原子时间。</p><p><span word="The">The</span> <span word="Earth">Earth</span>’<span word="s">s</span> <span word="spin">spin</span> <span word="is">is</span> <span word="gradually">gradually</span> <span word="slowing">slowing</span> <span word="down">down</span>, <span word="by">by</span> <span word="about">about</span> <span word="two">two</span> <span word="thousandths">thousandths</span> <span word="of">of</span> <span word="a">a</span> <span word="second">second</span> <span word="per">per</span> <span word="day">day</span>, <span word="but">but</span> <span word="atomic">atomic</span> <span word="clocks">clocks</span> <span word="are">are</span> <span word="constant">constant</span>. <span word="That">That</span> <span word="means">means</span> <span word="that">that</span> <span word="occasionally">occasionally</span> <span word="years">years</span> <span word="have">have</span> <span word="to">to</span> <span word="be">be</span> <span word="lengthened">lengthened</span> <span word="slightly">slightly</span>, <span word="to">to</span> <span word="allow">allow</span> <span word="the">the</span> <span word="slowing">slowing</span> <span word="Earth">Earth</span> <span word="to">to</span> <span word="catch">catch</span> <span word="up">up</span> <span word="with">with</span> <span word="the">the</span> <span word="constant">constant</span> <span word="clock">clock</span>.</p><p>地球自转逐步减速，每天减少2/1000秒，但是原子钟是不变的。那意味着偶尔有年份会稍稍长一些，来减缓地球赶上恒速计时器。</p><p><span word="But">But</span> <span word="last">last</span> <span word="time">time</span> <span word="it">it</span> <span word="happened">happened</span>, <span word="in">in</span> 2017, <span word="it">it</span> <span word="took">took</span> <span word="down">down</span> <span word="much">much</span> <span word="of">of</span> <span word="the">the</span> <span word="internet">internet</span>. <span word="Reddit">Reddit</span>, <span word="Foursquare">Foursquare</span>, <span word="Yelp">Yelp</span> <span word="and">and</span> <span word="LinkedIn">LinkedIn</span> <span word="all">all</span> <span word="reported">reported</span> <span word="problems">problems</span>, <span word="and">and</span> <span word="so">so</span> <span word="did">did</span> <span word="the">the</span> <span word="Linux">Linux</span> <span word="operating">operating</span> <span word="system">system</span> <span word="and">and</span> <span word="programmes">programmes</span> <span word="using">using</span> <span word="Java">Java</span>.</p><p>但是上一次闰秒是发生在2017年，冲击了一大片互联网。<span word="Reddit">Reddit</span>，<span word="Foursquare">Foursquare</span>，<span word="Yelp">Yelp</span>还有<span word="LinkedIn">LinkedIn</span>（领英），还有<span word="Linux">Linux</span>操作系统和使用<span word="Java">Java</span>的程序都报错了。</p><p><span word="The">The</span> <span word="reset">reset</span> <span word="has">has</span> <span word="happened">happened</span> 25 <span word="times">times</span> <span word="since">since</span> <span word="they">they</span> <span word="were">were</span> <span word="introduced">introduced</span> <span word="in">in</span> 1972, <span word="but">but</span> <span word="the">the</span> <span word="computer">computer</span> <span word="problems">problems</span> <span word="are">are</span> <span word="getting">getting</span> <span word="more">more</span> <span word="serious">serious</span> <span word="as">as</span> <span word="increasing">increasing</span> <span word="numbers">numbers</span> <span word="of">of</span> <span word="computers">computers</span> <span word="sync">sync</span> <span word="up">up</span> <span word="with">with</span> <span word="atomic">atomic</span> <span word="clocks">clocks</span>. <span word="Those">Those</span> <span word="computers">computers</span> <span word="and">and</span> <span word="servers">servers</span> <span word="are">are</span> <span word="then">then</span> <span word="shown">shown</span> <span word="the">the</span> <span word="same">same</span> <span word="second">second</span> <span word="twice">twice</span> <span word="in">in</span> <span word="a">a</span> <span word="row">row</span> — <span word="throwing">throwing</span> <span word="them">them</span> <span word="into">into</span> <span word="a">a</span> <span word="panic">panic</span>.</p>
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