博文
(2020-12-22 20:28:57)
RayDalio,thebillionairefounderoftheworld'slargesthedgefund,isdeeplyworriedaboutadividedandprofoundlyunequalAmericaasPresident-electJoeBidenpreparestotakepower.
Dalioiswarningthatleadersmusturgentlyaddressthetoxicbrewofworseninginequality,politicalpolarizationandmountingdebt.
"Therewillhavetobearesolutionofthesystemworkingforthemajorityofthepeopleinwhichthere'sproductivit...[阅读全文]
(2020-12-22 20:23:46)
TomMuellerhasbeendesigningrocketenginesatSpaceXsincethecompanywasfoundedin2002.HehelpeddeveloptheKestrel(Falcon1),Merlin(Falcon1,Falcon9andFalconHeavy),Raptor(Starship)andmore.Currently,heworkspart-timeatSpaceXasaSeniorAdvisor.YoumayalreadyknowthattheFalconrocketisnamedaftertheMillenniumFalconfromStarWars,butdoyouknowhowexactlytheSpaceXenginesgottheirnames?Luckily,Muellerwaskindenoughtosharethesto...[阅读全文]
(2020-12-22 20:10:34)
TheelectriccarmakeristhebiggestcompanyevertojointheS&P500,themostwidelytrackedbroadstock-marketbenchmark.SharesofTeslahavesurged70%sinceS&PDowJonesIndicesannounceditsplannedadditioninNovember,boostingthecompany’smarketvaluetomorethan$650billion.That’smorethanthreetimesthevalueofBerkshireHathaway,thesecond-biggestadditiontotheindexbymarketvalue,whenitwasaddedtotheS&P500in201...[阅读全文]
(2020-12-21 22:36:59)
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(2020-12-20 22:03:23)
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(2020-12-20 21:35:48)
1.
编钟兴起于西周，盛于春秋战国直至秦汉。它由大小不同的青铜钟按照音调高低次序排列，悬挂在钟架上，以敲打的方式进行演奏。
曾侯乙墓出土的编钟共65件，包括19件钮钟、45件甬钟及1件楚王熊章赠送的鎛钟，分3层8组悬挂在曲尺形钟架上。
全套编钟共有五个半八度，十二律齐备，可以旋宫转调，音列是现今通行的C大调，能够演奏五声、六声或七声音阶乐曲。[阅读全文]
(2020-12-19 14:54:42)
1.BillionaireMacKenzieScott:Pandemicmadetherichricherwhilewreckingothers;donatingmoneygivesmehope https://www.cnbc.com/2020/12/17/billionaire-mackenzie-scott-giving-money-to-charity-gives-me-hope.html 2.MacKenzieScott,ex-wifeofJeffBezos,saysshegave$4.2billiontocharity https://www.cbsnews.com/news/mackenzie-scott-bezos-charity-4-2-billion/ 3.GoodwilloftheHeartlandreceives$10,000,000from...[阅读全文]
(2020-12-19 14:46:00)
这门课，PatrickWinston教授教了40多年。不少冷幽默，好玩、有启发。
维基上查了一下背景：
PatrickHenryWinston(February5,1943–July19,2019)wasanAmericancomputerscientistandprofessorattheMassachusettsInstituteofTechnology.WinstonwasdirectoroftheMITArtificialIntelligenceLaboratoryfrom1972to1997
PatrickWinston'sHowtoSpeaktalkhasbeenanMITtraditionforover40years.OfferedeveryJanuary,the...[阅读全文]
(2020-12-18 22:46:20)
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(2020-12-18 16:21:13)
PoliticalphilosopherMichaelSandelisinterviewedbyDutchjournalistandphilosopherBasHeijne.Sandel(Minneapolis,1953)isaprofessoratHarvardUniversitywhereheteachesthecourse'Justice'whichisanenormoussuccessamongstudents.Heiswidelyknownforhisinteractivelectureswhereheposesdilemma'sabouttopicssuchasbiotechnology.Inthisvideo,HeijneandSandeltalkaboutwhatitmeanstobehuman,thedifferencebetweenhea...[阅读全文]
