Leej twg tsim riam thawj? Teb: Thawj rab riam yog invented los ntawm homo sapiens thaum lub sij hawm prehistoricthiab tau siv los ua riam phom, cuab yeej thiab khoom noj. Lub Oldowon tau siv txog li 2.5 lab xyoo dhau los thiab yog qhov qub tshaj plaws paub riam zoo li cov cuab yeej nrhiav pom thaum xyoo 2014.
Ntev npaum li cas riam tau tsim?
Cov riam ntxov tshaj plaws tau ua los ntawm Flint. Thawj Riam Hlau yog symmetrical ob edged daggers, ua los ntawm tooj liab … thawj zaug ib rab riam tau ua nyob rau hauv lub Bronze Age 4000 xyoo dhau los. Cov riam no yuav tau siv rau kev yos hav zoov, ua noj ua haus thiab Kws ntoo. Cov riam yog thawj zaug siv li Cutlery 500 xyoo dhau los…
Thaum twg yog thawj chav ua noj riam tsim?
Ntaj ua hauv Solingen tau pom thoob plaws Tebchaws Europe thiab tau txais txiaj ntsig rau lawv cov khoom siv tes ua kom deb li deb li Askiv. Lub sijhawm niaj hnub ntawm kev tsim cov kws ua zaub mov riam tuaj yeem taug qab mus rau 1731 thaum Peter Henkel nrhiav tau qhov pib ntawm qhov yuav dhau los ua riam phom.
riam tau tsim nyob qhov twg?
Cov kab thaum ntxov ntawm kev sib cais tau pom nyob rau hauv Hallstatt, ib lub zos celtic, qhov chaw riam tau pom muaj pob txha leeg, hnub rov qab mus rau xyoo 600 BC. Archaeologists tau tshawb pom ntau rab riam tuaj yeem siv hauv Ancient Roman nroog. Cov tes tuav tau feem ntau ua los ntawm cov pob txha carved, tab sis kuj feem ntau yog los ntawm ntoo thiab hlau.
Thaum riam thiab diav rawg tau tsim?
Txawm tias nws keeb kwm yuav rov qab mus rau AncientTim Nkij teb chaws, tus kheej lub rooj diav rawg yog feem ntau yuav tsim nyob rau hauv Eastern Roman (Byzantine) faj tim teb chaws, qhov uas lawv tau siv los ntawm lub xyoo pua 4th. Cov ntaub ntawv qhia tau hais tias los ntawm lub xyoo pua 9th nyob rau hauv qee lub voj voog ntawm cov neeg tseem ceeb ntawm Persia ib yam khoom siv zoo sib xws hu ua barjyn tau siv tsawg.
