无线充电新技术
<p><span word="Backed">Backed</span> <span word="by">by</span> <span word="the">the</span> <span word="financier">financier</span> <span word="J">J</span>.<span word="P">P</span>. <span word="Morgan">Morgan</span>, <span word="Nikola">Nikola</span> <span word="Tesla">Tesla</span>, <span word="the">the</span> <span word="inventor">inventor</span> <span word="and">and</span> <span word="rival">rival</span> <span word="to">to</span> <span word="Thomas">Thomas</span> <span word="Edison">Edison</span>, <span word="built">built</span> <span word="in">in</span> <span word="the">the</span> <span word="early">early</span> 1900<span word="s">s</span> <span word="the">the</span> <span word="Wardenclyffe">Wardenclyffe</span> <span word="Tower">Tower</span>, <span word="a">a</span> 187-<span word="foot">foot</span>-<span word="high">high</span> <span word="structure">structure</span> <span word="on">on</span> <span word="Long">Long</span> <span word="Island">Island</span>, <span word="which">which</span> <span word="he">he</span> <span word="said">said</span> <span word="could">could</span> <span word="transmit">transmit</span> <span word="electricity">electricity</span> <span word="wirelessly">wirelessly</span>. <span word="The">The</span> <span word="project">project</span> <span word="failed">failed</span>, <span word="and">and</span> <span word="Tesla">Tesla</span> <span word="ended">ended</span> <span word="up">up</span> <span word="broke">broke</span>. (<span word="In">In</span> <span word="an">an</span> <span word="earlier">earlier</span> <span word="experiment">experiment</span> <span word="in">in</span> <span word="Colorado">Colorado</span>, <span word="Tesla">Tesla</span> <span word="had">had</span> <span word="wirelessly">wirelessly</span> <span word="lit">lit</span> <span word="up">up</span> 200 <span word="lamps">lamps</span> <span word="over">over</span> <span word="a">a</span> <span word="distance">distance</span> <span word="of">of</span> 25 <span word="miles">miles</span>, <span word="but">but</span> <span word="pedestrians">pedestrians</span> <span word="witnessed">witnessed</span> <span word="sparks">sparks</span> <span word="jumping">jumping</span> <span word="between">between</span> <span word="their">their</span> <span word="feet">feet</span> <span word="and">and</span> <span word="the">the</span> <span word="ground">ground</span>, <span word="and">and</span> <span word="electricity">electricity</span> <span word="flowed">flowed</span> <span word="from">from</span> <span word="faucets">faucets</span> <span word="when">when</span> <span word="turned">turned</span> <span word="on">on</span>. <span word="Oops">Oops</span>.)</p><p>尼古拉•特斯拉是19世纪末20世纪初与托马斯•爱迪生相媲美的发明家。1901年，他从亿万富翁<span word="J">J</span>.<span word="P">P</span>.摩根那里获得资助，在纽约长岛修建了一座高达187英尺的无线电能传输塔——沃登克里弗塔。可惜项目最终失败，特斯拉本人也宣告破产。（特斯拉之前曾在科罗拉多州做过类似的实验，成功地将25英里之外的200盏灯点亮。不过据现场目击者称，他们能感到电流从地面穿过脚底，甚至当地居民在打开水龙头时，都能看到水流在哗哗放电……）</p><p><span word="Fast">Fast</span>-<span word="forward">forward</span> <span word="over">over</span> <span word="a">a</span> <span word="century">century</span>, <span word="and">and</span> <span word="wireless">wireless</span> <span word="electricity">electricity</span> <span word="is">is</span> <span word="finally">finally</span> <span word="gaining">gaining</span> <span word="some">some</span> <span word="traction">traction</span>. <span word="More">More</span> <span word="than">than</span> <span word="one">one</span> <span word="hundred">hundred</span> <span word="companies">companies</span> <span word="including">including</span> <span word="startups">startups</span> <span word="such">such</span> <span word="as">as</span> <span word="WiTricity">WiTricity</span> <span word="and">and</span> <span word="ProxybyPower">ProxybyPower</span> <span word="and">and</span> <span word="giants">giants</span> <span word="such">such</span> <span word="as">as</span> <span word="Toyota">Toyota</span> (<span word="TM">TM</span>), <span word="Intel">Intel</span> (<span word="INTC">INTC</span>), <span word="Samsung">Samsung</span>, <span word="and">and</span> <span word="Foxconn">Foxconn</span> <span word="are">are</span> <span word="investing">investing</span> <span word="in">in</span> <span word="the">the</span> <span word="technology">technology</span>. <span word="The">The</span> <span word="challenge">challenge</span>: <span word="to">to</span> <span word="take">take</span> <span word="the">the</span> <span word="wires">wires</span> <span word="out">out</span> <span word="of">of</span> <span word="the">the</span> <span word="power">power</span> <span word="equation">equation</span> <span word="by">by</span> <span word="transmitting">transmitting</span> <span word="electricity">electricity</span> <span word="through">through</span> <span word="magnetic">magnetic</span> <span word="fields">fields</span>.</p>
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