Tsim, Secondary kev kawm ntawv thiab cov tsev kawm ntawv
Vim li cas cov ships? Archimedes piav
Mus nrhiav thiab daws tau
Cov neeg ua hauj lwm teem Heron II, ciali insoluble. Archimedes siv ib tug ntau lub sij hawm mus ntsuas tus neeg hais ntawm lub crown, tab sis lossi yuam kev los ntawm cov account. Sab sab ntsuam thiab suav, nws mus rau tus da dej, thiab nyob rau hauv lub sij hawm uas tau ua nyob rau hauv Syracuse ib tug nyob rau hauv uas tus da twb noj dej kev kho mob. Nyob rau hauv ib yam ntawm cov chav dej nws plunged nws hauv ntiaj teb lub cev thiab Archimedes. Nws twb ras los ntawm qhov tseeb hais tias lub immersion ntawm cov dej pib ntws hla lub npoo. Nws refilled cov dej rov qab mus rau lub lub tiaj thiab maj mam, sim tsis txhob ua nchuav nws, pib ib tug tshiab dhia dej. Cov dej coj nws, thiab yuam tawm ntawm lub tso nraum zoov. Nrog ib tug nrov quaj ntawm "Eureka!" - Archimedes dhia tawm. Nws khiav down txoj kev, tsis nco qab mus muab pov rau ib yam dabtsi los ntawm cov khaub ncaws. Cov neeg siv yuav eccentricities ntawm tus poj inventor, li ntawd, tag nrho cov meej pem cia li quaj, tsis zoo ntawm Archimedes. Siv ib tug xab khob, ib tug soj ntsuam yog ib qho yooj yim los mus laij lub ntim ntawm lub crown, thiab paub txog cov kev ceev ntawm kub thiab luj, txiav txim rau qhov nyiaj ntawm cov hlau, noj nyob rau hauv daim card no yog ib tug jeweller. Hais mus sib kav nyob rau hauv dej siab ntawm cov Archimedes, lub goldsmith twb tua raws li ib tug ceeb toom rau lwm tus neeg.
Qhib ntawm lub moog ntim tau tseem tsis tau coj mus rau lub hom phiaj ntawm dhia lub cev. Archimedes txoj cai tau kom meej meej formulated tsuas yog tom qab ib tug series ntawm thwmsim, raws li ib tug tshwm sim ntawm uas nws yog tsim los txoj cai rau tag nrho cov khoom raus rau hauv dej. Piv txwv li, lub pob zeb tsis sawv rau ntawm qhov chaw thiab qhuav daim ntoo floated. Lawv twb ua tau me me cov qauv ntawm cov ships, uas tau muab tso rau hauv lub dab da dej. Nyob rau lawj qauv xa ntau yam khoom. Kev Saib Xyuas tau nqa tawm tsis tu ncua. Raws li ib tug tshwm sim, nws twb pom hais tias thaum loading ib lub nkoj me me uas koj ua tau los xyuas kom meej tias nws tseem ntab. Archimedes txoj cai thiab piav qhia tshooj lub nkoj. Nws displaces ntau kua, uas yuav nws.
Archimedes txoj cai. Sim kawm nrog tiag tiag ships
Inquisitive inventor ntawm tus qauv tsiv mus rau hauv lub tiag tiag ships uas tau raug ua nyob rau hauv ib tug me me shipyard nyob rau hauv Syracuse. Nyob rau ntawm lub sij hawm twb muaj me me sailing ships, lawv twb tso rau hauv lub ballast los txhim kho stability. Tej zaum nws yog muab tso rau thiaj hais tias lub nkoj pib tog. Los ntawm mus sib hais thiab yuam kev nkoj builders rau txhua tshiab txog ntsha xaiv noj chaw. Ntawm no feemxyuam inventor yog heev ceev kev pab, shipbuilders piav Archimedes, ua luam dej lub cev tam sim no muab los ntawm cov kev xyaum ntawm science. Muaj pov thawj hais tias Archimedes twb muaj ib tug xov tooj uas interesting designs rau warships mus tog tus yeeb ncuab nyob rau hauv frontal thiab sab tsawg feempua sibtsoo ua. Kev mloog yog them rau lub khw gallery. Cov hlab ntsha ua ntev voyage hla lub hiav txwv Mediterranean. Lawv yuav tsum tau thauj loj qhov ntau ntawm cov khoom, yog li cov chaw kawm ntawv ntawm cov khoom pab mus rau ib tug zoo dua kev siv ntawm qhov chaw. Ntawm no pab teb thiab suav ntawm lub inventor, uas siv Archimedes 'kuj. Hydraulics dynamic zog ntawm loaded txog ntsha yog tam sim no raws li leej suav.
Lwm yam ntaub ntawv sau npe ntawm kev cai lij choj ntawm Archimedes
Aeronautics, uas sawv ntawm lub lem ntawm XVIII-XIX centuries, nws puv tawm, yog yuav kev pab tib txoj kev xav, leej twg nyob ntawm 287 212 BC. e. Archimedes 'kev cai lij choj rau ib tug zais pa kub cua, balloons thiab balloons yog mas vim tau ntawm tus txiv neej coj tawm vim kev txawj ntse. Suav nqa rau aircraft aeronauts (thiaj li hu ua kiv cua ya rau tej pab kiag li lawm) txhais tau lub Scope ntawm nws cov aircraft. Tam sim no Aeronautics Success nyob tsis tseg nyob rau hauv ntau lub zos ntawm Russia thiab txawv teb chaws. huab cua kub zais pa ya davhlau yog admired los ntawm cov neeg saib, txawm ntau dua ntau yam ntawm ncus ua los ntawm cov neeg koom ntawm lub davhlau.
Similar articles
Trending Now