Ntxhais hlau yog ib qho kev lig kev cai Thaum lub sij hawm California kub maj nyob rau hauv lub lig 1800s, tib neeg yuav tom kub mus sim yog tias nws yog tiag. Txoj kev xav tau hais tias cov kub ntshiab yog ib qho mos mos, malleable hlau. Yog hais tias ib tug tom sab laug indentation cim ntawm cov hlau, nws yog feem ntau yuav tiag. Yog tias tsis yog, koj tuaj yeem tsoo tus hniav.
Vim li cas cov neeg yeej tau tom tus npib kub?
Cov kub tiag tiag yog softer dua tib neeg cov hniav thiab, yog li ntawd, yuav tshuav nrog lub cim yog tom, raws li CNN. Thaum tus yeej Olympic tom lawv cov khoom plig, lawv tsis tom ntawm cov khoom kub. Lawv yog cov nyiaj dawb huv nrog txog rau 6 grams kub plating. Cov khoom plig nyiaj yog cov nyiaj dawb huv thiab cov khoom plig tooj liab yog tooj liab liab.
Vim li cas tib neeg yuav tom kub?
Hauv kev txiav txim siab ib txwm muaj, kev sib tsoo hlau yog qhov tseem ceeb, thiab tib neeg yuav tom kub thiab lwm yam hlau muaj txiaj ntsig raws li kev sim ntawm cov hlau muaj txiaj ntsig qhov tseeb. Nrog rau softness ntawm cov kub ntshiab, tom nws yuav tawm ib qho kev pom, txhais tau hais tias lub puav pheej yog ua los ntawm cov kub ntshiab yog hais tias nws yooj yim rau tom.
Puas yog cov khoom kub kub tiag tiag?
Txhua yam glitters tsis yog kub, thiab tib yam mus rau Olympic kub medals, uas yog qhov tseeb tsawg kawg yog 92.5% nyiaj. Txawm li cas los xij tias ci ntsa iab, gilded kub sab nrauv yog kub tiagthiab tag nrho cov khoom kub yuav tsum muaj tsawg kawg yog rau grams kub.
Puas muaj leej twg muag lawv qhov khoom plig?
Qhov hais tias, nws tsis yog feem ntau koj tau nyobncaws pob muag lawv cov khoom plig. … Cov neeg ncaws pob qee zaum rub lawv cov khoom plig los ntawm lub npe ntawm kev siab hlub: US tus yeej ua luam dej Anthony Ervin tau muag nws cov kub, los ntawm 2000 Sydney games, xyoo 2004 thiab pub $ 17, 101 rau cov neeg raug tsim txom tsunami hauv Is Nrias teb.
