TED英语演讲稿:为什么最新范文代表未知?(共5页)2900字.docx
- 文档编号:12419035
- 上传时间:2023-06-05
- 格式:DOCX
- 页数:3
- 大小:8.62KB
TED英语演讲稿:为什么最新范文代表未知?(共5页)2900字.docx
《TED英语演讲稿:为什么最新范文代表未知?(共5页)2900字.docx》由会员分享,可在线阅读,更多相关《TED英语演讲稿:为什么最新范文代表未知?(共5页)2900字.docx(3页珍藏版)》请在冰点文库上搜索。
TED英语演讲稿:
为什么X代表未知?
ihavetheanswertoaquestionthatwe'veallasked.thequestionis,whyisitthattheletterxrepresentstheunknown?
nowiknowwelearnedthatinmathclass,butnowit'severywhereintheculture--thexprize,thex-files,projectx,tedx.where'dthatcomefrom?
aboutsixyearsagoidecidedthatiwouldlearnarabic,whichturnsouttobeasupremelylogicallanguage.towriteawordoraphraseorasentenceinarabicislikecraftinganequation,becauseeverypartisextremelypreciseandcarriesalotofinformation.that'soneofthereasonssomuchofwhatwe'vecometothinkofaswesternscienceandmathematicsandengineeringwasreallyworkedoutinthefirstfewcenturiesofthecommonerabythepersiansandthearabsandtheturks.
thisincludesthelittlesysteminarabiccalledal-jebra.andal-jebrroughlytranslatesto"thesystemforreconcilingdisparateparts."al-jebrfinallycameintoenglishasalgebra.oneexampleamongmany.
thearabictextscontainingthismathematicalwisdomfinallymadetheirwaytoeurope--whichistosayspain--inthe11thand12thcenturies.andwhentheyarrivedtherewastremendousinterestintranslatingthiswisdomintoaeuropeanlanguage.
buttherewereproblems.oneproblemistherearesomesoundsinarabicthatjustdon'tmakeitthroughaeuropeanvoiceboxwithoutlotsofpractice.trustmeonthatone.also,thoseverysoundstendnottoberepresentedbythecharactersthatareavailableineuropeanlanguages.
here'soneoftheculprits.thisisthelettersheen,anditmakesthesoundwethinkofassh--"sh."it'salsotheveryfirstletterofthewordshalan,whichmeans"something"justlikethetheenglishword"something"--someundefined,unknownthing.
nowinarabic,wecanmakethisdefinitebyaddingthedefinitearticle"al."sothisisal-shalan--theunknownthing.andthisisawordthatappearsthroughoutearlymathematics,suchasthis10thcenturyderivationofproofs.
theproblemforthemedievalspanishscholarswhoweretaskedwithtranslatingthismaterialisthatthelettersheenandthewordshalancan'tberenderedintospanishbecausespanishdoesn'thavethatsh,that"sh"sound.sobyconvention,theycreatedaruleinwhichtheyborrowedthecksound,"ck"sound,fromtheclassicalgreekintheformoftheletterkai.
laterwhenthismaterialwastranslatedintoacommoneuropeanlanguage,whichistosaylatin,theysimplyreplacedthegreekkaiwiththelatinx.andoncethathappened,oncethismaterialwasinlatin,itformedthebasisformathematicstextbooksforalmost600years.
butnowwehavetheanswertoourquestion.whyisitthatxistheunknown?
xistheunknownbecauseyoucan'tsay"sh"inspanish.(laughter)andithoughtthatwasworthsharing.
(applause)
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- TED 英语演讲 为什么 最新 范文 代表 未知 2900
![提示](https://static.bingdoc.com/images/bang_tan.gif)