ACaliforniateenhasattractedtheattentionoftechgiantsGoogleforherpotentiallyrevolutionaryinventionwhichchargesaphonein20secondsflat.Thesuper-fastchargingdevicehasbeencalledasupercapacitor(超级电容器)by18-year
ACaliforniateenhasattractedtheattentionoftechgiantsGoogleforherpotentiallyrevolutionaryinventionwhichchargesaphonein20secondsflat.
Thesuper-fastchargingdevicehasbeencalledasupercapacitor(超级电容器)by18-year-oldEshaKhareofSaratoga—asshetook$50000fromtheIntelInternationalScienceandEngineeringFairwhichtookplaceinPhoenix.
Thedevicewillmakewaitinghoursforaphonetochargeathingofthepastandtheinventionpacksenergyintoasmallerspacethantraditionalphonebatteriesandholdsthechargeforlonger.
Thesupercapacitorisflexibleandtinyandisabletohandle10000rechargeeyelesmorethannormalbatteriesbyafactorof10.SofarKharehasonlyusedhersupereapacitortopoweranLED—butsheseesabrightfuturethatonedaywillseeherinventionpoweringcellphonescarsandanydevicethatrequiresarechargeablebattery.
HeadingtoHarvardKharetoldCBSSanFranciscothatthisisonlythestartandthatshewillbe“settingtheworldonfire”fromhere.“Mycellphonebatteryalwaysdies”shetoldNBCNewswhenaskedwhatinspiredhertoworkontheenergy-storagetechnology.Specializinginnanochemistry(纳米化学)allowedKharetoreducethesizeofherinvention.
EshaKharelonutBudisteanuandHenryWangjuneLingotthetopthreeprizesatthisyear’sIntclInernationalScienceandEngineeningFairinPhoenix.Khareexplainedheraward-winningrevolutionaryinvention.“Itisalsoflexiblesoitcanbeusedinrollup(卷曲)displaysandclothingandfabric”sheadded.“Ithasdifferentapplicationsandadvantagesoverbatteriesinthatsense.”
An18-year-oldgirlhasmanagedtofigureoutsomethingthatmulti-nationalcorporationshavenot.Thishasledto.
5.ThereasonthatthedeviceattractedtheattentionofGoogleisthatit______.
A.canbebent B.canpowercars
C.canchargeaphonein20seconds D.canhandle1000rechargecycles
6.WhatinspiredEshaKharetoinventthedevice?
A.Themarketdemands B.Cashprizeof$50000
C.Heavyweightofhercellphone B.Frequentdeathofhercellphonebattery
7.Theunderlinedphrase“settingtheworldonfire”inParagraph5means_______
A.meetingwithmanyd