SAT写作经典事例：赫兹
<p> 本文将为大家介绍著名物理学家赫兹。他证明了电磁波的存在以及光是一种电磁波。现在电磁波频率的单位就以他的名字命名。他的发现为无线电通讯的出现起到了巨大作用。</p><p> <span word="As">As</span> <span word="is">is</span> <span word="commonly">commonly</span> <span word="believed">believed</span>, <span word="Heinrich">Heinrich</span> <span word="Rudolf">Rudolf</span> <span word="Hertz">Hertz</span> <span word="is">is</span> <span word="most">most</span> <span word="renowned">renowned</span> <span word="for">for</span> <span word="being">being</span> <span word="the">the</span> <span word="first">first</span> <span word="one">one</span> <span word="to">to</span> <span word="conclusively">conclusively</span> <span word="prove">prove</span> <span word="the">the</span> <span word="existence">existence</span> <span word="of">of</span> <span word="electromagnetic">electromagnetic</span> <span word="waves">waves</span>. <span word="He">He</span> <span word="clarified">clarified</span> <span word="and">and</span> <span word="expanded">expanded</span> <span word="the">the</span> <span word="electromagnetic">electromagnetic</span> <span word="theory">theory</span> <span word="of">of</span> <span word="light">light</span> <span word="that">that</span> <span word="had">had</span> <span word="been">been</span> <span word="put">put</span> <span word="forth">forth</span> <span word="by">by</span> <span word="James">James</span> <span word="Clerk">Clerk</span> <span word="Maxwell">Maxwell</span>. <span word="As">As</span> <span word="a">a</span> <span word="physicist">physicist</span>, <span word="Hertz">Hertz</span> <span word="maintained">maintained</span> <span word="a">a</span> <span word="spirit">spirit</span> <span word="of">of</span> <span word="exploration">exploration</span> <span word="and">and</span> <span word="insistence">insistence</span>, <span word="and">and</span> <span word="his">his</span> <span word="story">story</span> <span word="inspires">inspires</span> <span word="people">people</span> <span word="who">who</span> <span word="intend">intend</span> <span word="to">to</span> <span word="pursue">pursue</span> <span word="contributions">contributions</span> <span word="in">in</span> <span word="the">the</span> <span word="sphere">sphere</span> <span word="of">of</span> <span word="science">science</span>.</p><p> 众所周知，海因里希 鲁道夫 赫兹因他第一个结论性地证明了电磁波的存在而出名。他阐明并扩张了由詹姆斯 克拉克 麦克斯韦提出的光电磁理论。作为一名物理学家，赫兹始终保持着探索精神和坚持不懈的精神。他的故事不断激励着想在科学领域做出贡献的人们。</p><p> <span word="At">At</span> <span word="that">that</span> <span word="time">time</span>, <span word="people">people</span> <span word="firmly">firmly</span> <span word="believed">believed</span> <span word="Maxwell">Maxwell</span> <span word="s">s</span> <span word="theory">theory</span> <span word="of">of</span> <span word="electromagnetism">electromagnetism</span>, <span word="that">that</span> <span word="is">is</span>, <span word="electromagnetic">electromagnetic</span> <span word="waves">waves</span> <span word="existed">existed</span> <span word="and">and</span> <span word="moved">moved</span> <span word="at">at</span> <span word="the">the</span> <span word="speed">speed</span> <span word="of">of</span> <span word="light">light</span>, <span word="and">and</span> <span word="light">light</span> <span word="itself">itself</span> <span word="was">was</span> <span word="just">just</span> <span word="a">a</span> <span word="wave">wave</span>. <span word="Though">Though</span> <span word="it">it</span> <span word="was">was</span> <span word="popular">popular</span>, <span word="the">the</span> <span word="theory">theory</span> <span word="was">was</span> <span word="still">still</span> <span word="only">only</span> <span word="a">a</span> <span word="prediction">prediction</span>. <span word="Encouraged">Encouraged</span> <span word="by">by</span> <span word="his">his</span> <span word="mentor">mentor</span>, <span word="Hertz">Hertz</span> <span word="was">was</span> <span word="to">to</span> <span word="prove">prove</span> <span word="it">it</span>. <span word="He">He</span> <span word="made">made</span> <span word="many">many</span> <span word="experiments">experiments</span> <span word="and">and</span> <span word="finally">finally</span> <span word="managed">managed</span> <span word="to">to</span> <span word="make">make</span> <span word="a">a</span> <span word="precise">precise</span> <span word="wave">wave</span>-<span word="detecting">detecting</span> <span word="apparatus">apparatus</span>, <span word="though">though</span> <span word="he">he</span> <span word="failed">failed</span> <span word="multiple">multiple</span> <span word="times">times</span> <span word="before">before</span> <span word="success">success</span>. <span word="In">In</span> <span word="the">the</span> <span word="experiment">experiment</span>, <span word="he">he</span> <span word="discovered">discovered</span> <span word="the">the</span> <span word="electromagnetic">electromagnetic</span> <span word="wave">wave</span>. <span word="In">In</span> <span word="more">more</span> <span word="advanced">advanced</span> <span word="experiments">experiments</span> <span word="later">later</span> <span word="on">on</span>, <span word="he">he</span> <span word="measured">measured</span> <span word="the">the</span> <span word="velocity">velocity</span> <span word="of">of</span> <span word="electromagnetic">electromagnetic</span> <span word="radiation">radiation</span> <span word="and">and</span> <span word="found">found</span> <span word="it">it</span> <span word="to">to</span> <span word="be">be</span> <span word="the">the</span> <span word="same">same</span> <span word="as">as</span> <span word="the">the</span> <span word="light">light</span> <span word="s">s</span> <span word="velocity">velocity</span>. <span word="He">He</span> <span word="also">also</span> <span word="showed">showed</span> <span word="that">that</span> <span word="the">the</span> <span word="nature">nature</span> <span word="of">of</span> <span word="radio">radio</span> <span word="waves">waves</span> <span word="reflection">reflection</span> <span word="and">and</span> <span word="refraction">refraction</span> <span word="was">was</span> <span word="the">the</span> <span word="same">same</span> <span word="as">as</span> <span word="those">those</span> <span word="of">of</span> <span word="light">light</span> <span word="and">and</span> <span word="established">established</span> <span word="beyond">beyond</span> <span word="any">any</span> <span word="doubt">doubt</span> <span word="that">that</span> <span word="light">light</span> <span word="is">is</span> <span word="a">a</span> <span word="form">form</span> <span word="of">of</span> <span word="electromagnetic">electromagnetic</span> <span word="radiation">radiation</span> <span word="obeying">obeying</span> <span word="the">the</span> <span word="Maxwell">Maxwell</span> <span word="equations">equations</span>.</p>
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