版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
TheProblemOfTheSnakes
WhenIcalledupmymotherinthecountrysideonthetelephoneshewasveryupset."Therearesomesnakesinourcourtyard,"shetoldme."Snakescomenearthehousenowandthen,andtheyseemtohavemadetheirhomehere,notfarfromthewalnuttree.Canyougetridofthemplease?"Ifeltveryproud.Herewasachancefor.metodistinguishmyselfbyinventingsomethingmercifulthatwouldcatchsnakesbutnotharmthem.Iknewmyparentswouldnotlikemetohurttheselivingcreatures!
ThefirstthingIdidwastoseeiftherewereanyproductsthatmighthelpme,butthereonlyseemedtobepowdersdesignedtokillsnakes.Anewapproachwasclearlyneeded.Isetaboutresearchingthehabitsofsnakestofindtheeasiestwaytotrapthem.Luckilythesereptilesaresmallandthatmadethesolutioneasier.
Preparedwithsomeresearchfindings,Idecidedonthreepossibleapproaches:firstly,removingtheirhabitat;secondly,attractingthemintoatrapusingmaleorfemaleperfumeorfood;andthirdlycoolingthemsothattheywouldbecomesleepyandcouldbeeasilycaught.Idecidedtousethelastone.Iboughtanice-creammakerwhichwasmadeofstainlesssteel.Betweentheoutsideandtheinsidewallsofthebowlthereissomejelly,whichfreezeswhencooled.Iputthebowlintothefridgeandwaitedfor24hours.AtthesametimeIpreparedsomeice-cubes.
ThenextmorningIgotupearlybeforethesunwashot.Iplacedthefrozenbowloverthesnakes'habitatandtheice-cubesontopofthebowltokeepitcool.FinallyIcoveredthewholethingwithalargebucket.ThenIwaited.AftertwohoursIremovedthebucketandthebowl.Thesnakeswerelessactivebuttheywerestilltoofastforme.Theyabruptlydisappearedintoaconvenientholeinthewall.SoIhadtoadjustmyplan.
ForthesecondattemptIfrozethebowlandtheice-cubesagainbutplacedthemoverthesnakes'habitatintheevening,asthetemperaturewasstartingtocool.Thenasbefore,Icoveredthebowlwiththebucketandlefteverythingovernight.EarlythenextmorningIreturnedtoseetheresult.ThistimewithgreatcautionIbentdowntoexaminethesnakesandIfoundthemverysleepy.Butoncepickedup,theytriedtobiteme.Astheywerepoisonoussnakes,Iclearlyneededtoimprovemydesignagain.
Mythirdattemptrepeatedthesecondprocedure.ThenextmorningIcarriedinmyhandasmallnetusedforcatchingfish.Thiswasintheexpectationthatthesnakeswouldbiteagain.Butmonitoredcarefully,thesnakesprovedtobenotroubleandallwentaccordingtoplan.Icollectedthepassivesnakesandthenextdaywemerrilyreleasedthemallbackintothewild.
Pressedbymyfriendsandrelations,Idecidedtoseizetheopportunitytogetrecognitionformysuccessfulideabysendingmy
conversationstobeheldatthesametime.Buthefoundtheproblemdifficulttosolve.Onedayashewasexperimentingwithoneendofastrawjoinedtoadeafman'seardrumandtheothertoapieceofsmokedglass,Bellnoticedthatwhenhespokeintotheear,thestrawdrewsoundwavesontheglass.Suddenlyhehadaflashofinspiration.Ifsoundwavescouldbereproducedinamovingelectricalcurrent,theycouldbesentalongawire.Insearchingtoimprovethetelegraph,Bellhadinventedthefirsttelephone!
Bellwasfullyawareoftheimportanceofhisinventionandwrotetohisfather:
"Thedayiscomingwhentelegraphwireswillbelaidontohousesjustlikewaterorgas–andfriendswilltalktoeachotherwithoutleavinghome."
Thepatentwasgivenin1876,butitwasnotuntilfivedayslaterthatBellsenthisfirsttelephonemessagetohisassistantWatson.Thewordshavenowbecomefamous:
"MrWatson-comehere-Iwanttoseeyou."
AlexanderGrahamBellwasnotamantorestandheinterestedhimselfinmanyotherareasofinvention.Heexperimentedwithhelicopterdesignsandflyingmachines.Whilesearchingforakitestrongenoughtocarryamanintotheair,Bellexperimentedputtingtrianglestogetheranddiscoveredthetetrahedronshape.Beingverystable,ithasprovedinvaluableinthedesignofbridges.
Bellwasaninventorallhislife.Hemadehisfirstinven
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 2024年航天器记录设备项目发展计划
- 2024年运载火箭贮箱项目合作计划书
- 设备管理制度完整版
- 《思想道德修养与法律基础》课程标准
- 2024年医用植入材料合作协议书
- 人工智能在医疗行业发展趋势研判及战略投资深度研究报告
- 2024年现场总线仪表通讯模板项目发展计划
- 化学分析服务行业三年发展预测分析报告
- 地质研究行业发展趋势研判及战略投资深度研究报告
- 2024年健康保健服务项目建议书
- (2024年)电击伤的急救与护理ppt课件完整版
- 中金财富:2024年大类资产配置白皮书 -立足长期增长、重视战略配置
- 人工智能辅助代码审计与修复
- 机动车车辆全损协议书范本
- 未来就业趋势2024年的技能需求与职业选择
- 安全联锁保护系统投用、摘除、停运审批管理制度
- 2024年四川雅砻江流域水电开发有限公司招聘笔试参考题库含答案解析
- 2023年贵州旅游行业分析报告及未来五至十年行业发展报告
- 出现空气栓塞时的护理
- 现代医院管理理念课件
- 神奇的汉字之旅
评论
0/150
提交评论