Lub sijhawm the 1860s lub plhaub raug rho tawm los ntawm ntau yam riam phom pib muaj cov khoom tawg hu ua ' phom paj rwb' (nitro-cellulose). Qhov no yog lub sijhawm ntawm Asmeskas Kev Tsov Rog Thoob Ntiaj Teb, thiab kev siv phom paj rwb yog ib qho ntawm ntau qhov laj thawj vim li cas qhov kev tsis sib haum xeeb tuaj yeem pom tau tias yog thawj 'kev ua tsov rog niaj hnub'.
Thaum twg cov khoom tawg tau siv?
In 1846 Italian kws tshuaj Ascanio Sobrero (1812-1888) tau tsim thawj zaug niaj hnub tawg, nitroglycerin, los ntawm kev kho glycerin nrog nitric thiab sulfuric acids. Sobrero qhov kev tshawb pom yog, hmoov tsis zoo rau ntau tus neeg siv thaum ntxov, tsis ruaj khov heev los siv kom nyab xeeb.
Thaum twg cov khoom tawg tau siv thawj zaug hauv Tebchaws Europe?
Keeb kwm tsim los ntawm cov neeg Taoists rau kev siv tshuaj, tshuaj phom yog thawj zaug siv rau kev ua rog nyob ib puag ncig 904 AD. Nws kis thoob plaws feem ntau ntawm Eurasia thaum kawg ntawm lub xyoo pua 13th.
Thawj zaug puas tawg tau?
Nws yuav tsis paub tseeb tias leej twg tau tsim cov khoom tawg thawj zaug, dub hmoov, uas yog sib xyaw ntawm ntsev (potassium nitrate), sulfur, thiab charcoal (carbon). Qhov kev pom zoo yog tias nws tau tshwm sim hauv Suav teb xyoo pua 10th, tab sis qhov kev siv nws muaj yuav luag tshwj xeeb hauv foob pob hluav taws thiab teeb liab.
Leej twg yog thawj tus siv rab phom ua riam phom?
Cov Mongols yog thawj tus raug tua hluav taws - tus xub kho nrog rab phom phom uasignited thiab yuav propel nws tus kheej hla cov yeeb ncuab kab. Ntau cov phom phom-raws li riam phom tau tsim los ntawm Suav thiab ua tiav tawm tsam Mongols nyob rau ntau pua xyoo tom ntej, suav nrog thawj rab phom thiab grenades.
