求介绍著名科学家的英文简介,最好150字以内?急………………-查字典问答网
分类选择

来自潘海彬的问题

  求介绍著名科学家的英文简介,最好150字以内?急………………

  求介绍著名科学家的英文简介,最好150字以内?

  急………………

1回答
2020-03-19 07:31
我要回答
请先登录
宋芳

  ThomasAlvaEdison(1847-1931)

  InventorThomasAlvaEdisonprofoundlyinfluencedmodernlifethroughinventionssuchastheincandescentlightbulb,thephonograph,andthemotionpicturecamera.Duringhislifetime,heacquired1,093patents,andmarketedmanyofhisinventionstothepublic.

  AbriefbiographyofEdisonisfeaturedhere,alongwitharticlesfromjournalsofhisdayinwhichheofferedhisviewsonmusic,films,inventions,andothertopics.Famousforhismotionpictureandrecordedsoundinventions,Edisonhimselfappearshereinafilm(ADaywithThomasA.Edison)andonadiscrecording(LetUsNotForget).

  -------------------------------

  ThefirstgreatinventiondevelopedbyEdisoninMenloParkwasthetinfoilphonograph.Whileworkingtoimprovetheefficiencyofatelegraphtransmitter,henotedthatthetapeofthemachinegaveoffanoiseresemblingspokenwordswhenplayedatahighspeed.Thiscausedhimtowonderifhecouldrecordatelephonemessage.Hebeganexperimentingwiththediaphragmofatelephonereceiverbyattachinganeedletoit.Hereasonedthattheneedlecouldprickpapertapetorecordamessage.Hisexperimentsledhimtotryastylusonatinfoilcylinder,which,tohisgreatsurprise,playedbacktheshortmessageherecorded,"Maryhadalittlelamb.

2020-03-19 07:34:46

最新问答

推荐文章

猜你喜欢

附近的人在看

推荐阅读

拓展阅读

  • 大家都在看
  • 小编推荐
  • 猜你喜欢
  •