Vim li cas thiaj muaj qhov xav tau los txua cov number cas hauv keeb kwm yav dhau los?
Lub tswv yim dab tsi ntawm niaj hnub invisible ink pib?
Dab tsi yog qhov tseem ceeb ntawm pom tsis pom nyob hauv cov tub rog?
Niaj hnub nimno invisible inks muaj ntau cov kev siv
Vim li cas ho tsis sim ib qho invisible number casi diy sim kom paub nws?
Obooc Invisible Ink coj koj ib qho kev sau ntawv tshiab
Vim li cas thiaj muaj qhov xav tau los txua cov number cas hauv keeb kwm yav dhau los?
Nyob rau hauv lub caij nplooj ntoos hlav thiab caij nplooj zeeg lub caij nplooj zeeg thiab lub sijhawm sib ntaus, kev tsis pub lwm tus paub thiab kev xa cov kev txawj ntse tau cuam tshuam nrog kev ua tiav lossis tsis ua tiav ntawm kev ua rog. Txhawm rau kom muaj kev ruaj ntseg ntawm cov ntaub ntawv tseem ceeb, cov neeg tau pib sim ntau txoj hauv kev kom nkaum cov ntawv nyeem, thiab tsis pom tus phooj ywg tau los ua thaum ntxovInvisible number casetau muab los ntawm qhov xwm, xws li kua txiv qaub, mis nyuj, thiab alum. Lawv tau zoo kawg nkaus uas tsis pom nyob rau hauv ib txwm muaj teeb thiab tsuas yog qhia lawv cov tsos tseeb tom qab muab cua sov lossis siv tshuaj lom neeg. Yog li ntawd, spies feem ntau siv invisible inks rau kev txawj ntse.
Lub tswv yim dab tsi ntawm niaj hnub invisible ink pib?
Cov qauv ntawmNiaj hnub nimno invisible number casetuaj yeem raug taug qab rov qab mus rau alchemy hauv nruab nrab hnub nyoog. Chemists nyob rau lub sijhawm ntawd tau tshawb pom hauv kev sim uas qee cov tshuaj yeeb dej yuav ua kom muaj xim raws li cov xwm txheej tshwj xeeb. Piv txwv li, lawv tuaj yeem tsoo "cov neeg mus rau" thiab yaj lawv hauv cov dej. Tom qab so lawv nrog daim txhuam cev soaked hauv sulfate, cov ntawv nyeem yuav magically tshwm sim.
Dab tsi yog qhov tseem ceeb ntawm pom tsis pom nyob hauv cov tub rog?
Txog lub sijhawm ntawm World War Kuv,Invisible number casetau dhau los ua cov riam phom zais cia rau cov neeg soj xyuas. Ob lub Tebchaws Asmeskas Naval Cov Kev Koom Haum Kev Txawj Ntse thiab Lub Tebchaws Yelemees Siv Ink Formulas. Piv txwv li, cov neeg German tau muab tshuaj pleev cov dej ntshiab, lossis cov poov tshuaj, tartaric acid, cov dej qab zib, poov tshuaj cypasal thiab tus cwj mem zoo tib yam. Cov qauv no xav tau cov tshuaj lom neeg tshwj xeeb lossis cua sov kom qhia cov ntawv nyeem.
Niaj hnub nimno invisible inks muaj ntau cov kev siv
Nrog kev nce qib ntawm science thiab thev naus laus zis, kev tsim khoom thiab cov kev siv tshuab ntawm cov numis tsis pom zoo yog kuj tseem ua haujlwm tas li. Niaj hnub nimno inkisible number case tsis tuaj yeem tsuas yog xim los ntawm cov cua sov lossis cov kev ua kom muaj ntau yam kev cia siab hauv cov lus thov kev tiv thaiv thiab kev nyab xeeb. Cov khoom lag luam zoo thiab kev siv tshuaj kho mob, xws li dej cawv, tshuaj pleev ib ce, txhua yam tshuaj, txhua yam tshuaj tsis pom zoo ntawm kev ua yeeb yam thiab cov khoom lag luam tsis zoo.
Vim li cas ho tsis sim ib qho invisible number casi diy sim kom paub nws?
Qhov tseeb, nws tsis yog qhov nyuaj ua qhov tsis pom kev sim. Ib lub tsev yooj yim hauv tsev tuaj yeem ua tiav nws:
Kauj ruam 1:Nyem kua txiv qaub thiab siv nws ua number case
Kauj ruam 2:Sau cov lus ntawm cov ntawv dawb nrog txhuam txhuam lossis txhuam hniav
Kauj ruam 3:Thaum daim ntawv yog qhuav qhuav, cov lus yuav "ploj".
Kauj ruam 4:Ua kom sov daim ntawv nrog lub teeb dej cawv, thiab thaj chaw uas pib pom yuav maj mam tshwm sim.
Npaj cov kev sim me me xws li txiv qaub, dej cawv, txhuam, thiab lwm yam.
Sau rau ntawm daim ntawv nrog txhuam txhuam tais hauv txiv qaub kua txiv
Tom qab cov dej dries, cov ntawv sau ploj tag nrho.
Tom qab siv lub teeb dej cawv rau cov chav thiab ci, cov ntawv nyeem zoo tshwm dua
Obohoco Tug Cwj mem pom tsis zoocoj koj txoj kev xav sau ntawv tshiab.
Tus ciav no tus cwj mem tsis pom kev yog du thiab muag heev yam tsis muaj txhaws cwj mem. Nws tuaj yeem yooj yim siv cov quav nplua thiab yog tsim rau cov ntawv sau txhua hnub, graffiti thiab txawm tiv thaiv cov cim.
Nws cov yam ntxwv yog tias nws yooj yim kom qhuav thiab cov strokes yog tseeb yam tsis tau blurring daim ntawv. Nws ua cov yeeb yaj kiab ruaj khov tam sim ntawd tom qab sau ntawv kom tsis txhob blrurring cov lus sau. Cov mis ib puag ncig muaj kev nyab xeeb thiab tsis muaj tshuaj lom, ua kev sau ntawv kom muaj kev nyab xeeb dua.
Cov txiaj ntsig tsis pom tau zoo heev. Cov tes sau tau pom tsis muaj qhov pom kev zoo, thiab nws zoo li cov hnub qub nyob rau hauv Ultraviolet lub teeb, tag nrho ntawm kev sib hlub, nqa tsis muaj kev xav tsis thoob rau cov neeg nyiam xav tsis thoob.
Seb nws yog cov tswv yim nthuav qhia lossis ntaub ntawv ntiag tug yog qhov kev xaiv zoo tshaj plaws, cia kev lom zem ntawm kev sau ntawv thiab tshawb nrhiav COEXIST.
Lub Sijhawm Post: Mar-03-2025