SamuwarKimiyya

A babban binciken na 20th karni. babban firtsi

A karni na ashirin ya sāke rayuwar mutane. Hakika, da cin gaban mutãne ya taba tsaya, kuma a kowane karni akwai muhimmanci kimiyya firtsi, amma da gaske neman sauyi canji, kuma ko da a cikin tsanani sikelin, ya faru ba haka ba da dadewa. Abin da binciken karni na ashirin da sun kasance mafi muhimmanci?

jirgin sama

Brothers Orville da Uilbur Rayt shiga tarihin dan Adam a matsayin na farko matukin jirgi. Last amma ba ko kadan da mai binciken na karni na 20th - wani sabon hanyar sufuri. Orville Wright ya iya yin sarrafawa jirgin a 1903. Jirgin ci gaba da shi, shĩ da ɗan'uwansa, ya zauna a cikin iska domin kawai 12 seconds, amma shi ya kasance wani real nasara ga jirgin sama a lokacin. jirgin kwanan yana dauke da ranar haihuwa na wannan yanayin na sufuri. Bratya Rayt farko tsara wani tsarin da zai karkatar da magana, da reshe wasan bidiyo igiyoyi, kyale ka don sarrafa mota. A 1901 iska rami da aka halitta. Suka ƙãga, kuma propeller. Riga ta 1904, duniya gan wani sabon jirgin sama model, mafi m da kuma iya ba kawai tashi, amma kuma ya yi horar da. A 1905, akwai wani na uku zaɓi, wanda zai iya zama a cikin iska domin game da mintina talatin. Bayan shekaru biyu, da 'yan'uwa sanya hannu a kwangila tare da US Army, kuma daga baya ya sayi jirgin sama da kuma Faransa. Mutane da yawa suka fara tunani game da karusa na fasinjoji, da kuma Wrights sanya dole gyara ta zuwa ga model da installing wani ƙarin wurin zama da kuma yin engine more iko. Tun da farkon na karni na 20th buɗe sama gaba daya sabon yiwuwa ga bil'adama.

X-ray

Kamar da yawa mai girma binciken na karni na 20th, shi da aka jera yi a farkon 19th, amma sai mutane ba su iya cin nasara nan da nan. Alal misali, X-haskoki aka farko amfani a 1885. Sa'an nan Wilhelm Roentgen gano cewa daukar hoto faranti rufe karkashin fasalin bakan, kuma za a iya samu ta hanyar sakawa a iska mai guba daga cikin kwarangwal image na jiki. Duk da haka, ya yi aiki da shekaru 15 zuwa binciken na gabobin da kyallen takarda zama zai yiwu. Wannan shi ne dalilin da ya sa da sunan "X-ray" gama farkon karni na 20th: shi aka a baya ba a sani ba zuwa ga jama'a. By 1919, irin wannan hanya an riga an yi amfani da mutane da yawa asibitoci. Bayyanar da X-ray canza ci gaban da magani: ya bayyana wani sabon reshe na bincikowa da kuma bincike. A ranar, da na'urar ya ajiye miliyoyin rayuka. To, a lõkacin ambaci fice masana kimiyya, ya kamata ka shakka kira da Wilhelm Roentgen.

TV

Kimiyya da fasaha ƙirƙirãwa sun canza kama da rayuwar karni na ashirin da. Daya daga cikin key aukuwa ya kasance fitowan da wani sabon hanyar] a bayanai - TV. A 1907, ya jadadda mallaka a Rasha likita Boris Rosing. Ya yi amfani da wannan cathode-ray tube. Don maida da photocell sakonni amfani. By 1912, ya mai ladabi da sabuwar dabara, kuma a shekarar 1931 ya fara kirkiro hanyar da watsa shirye-shirye a cikin launi. Tun shekara ta 1939 ya fara aiki da farko tashar. A shekarar 1944, wani zamani talabijin misali an halitta. Zai yiwu wasu binciken masana kimiyya na karni na 20th kasance mafi muhimmanci a kimiyance, amma ba za ka iya ƙaryatãwa game da tasirin da labarai a kan rayuwar mutane. TV ya canza hanyoyin sadarwa da kuma canza kama da ji na duniya mutane.

salula

Yanzu kaga wani rai ba tare da wani smartphone alama kusan ba zai yiwu. Duk da haka, da suka bayyana quite kwanan nan. Kimiyya da sabuwar dabara damar mutane don sadarwa a kan wayar amma mara waya aka ƙirƙira kawai a shekarar 1973. Martin Cooper, mahaliccin da cell, ya iya kira da ofishin da titunan Manhattan. A cikin shekaru goma, wayoyin hannu sun zama m ga mai fadi da kewayon saye. Da farko Motorola kudin kusan hudu dala dubu, amma da ra'ayin ne don haka burge ta Amirkawa, cewa mutane da aka rubuta a cikin jerin gwano zuwa saya. Kuma a cikin zamani smartphone na'urar kamar kadan: tube ne kawai wata babbar, yin la'akari kusan kilogram, amma kawai aka buga lambar za a iya gani a cikin kankanin nuni. Cajin isa magana for rabin awa. Duk da haka, nan da nan ta fara taro samar da daban-daban model, kuma tare da kowane tsara mutane jiran duk phones, sabon da ban sha'awa binciken. Don kwanan wata, sosai kadan na'urar, haƙi dada kwamfuta tare da kuri'a da siffofin, wanda a 1973, ba su ma yi tunani game da halittawa da Motorola cell.

internet

Ba duk binciken da na karshe karni, amfani da mutane a kowace rana. Amma da sabuwar dabara na Internet ya sāke rayuwarsu har ma a kananan abubuwa, a yau da shi da ake amfani a kusan kowace kasa a duniya. Yana da wani kayan aiki na sadarwa, bayanai gyara, data musayar. Wannan duniya ikon sadarwa. Saboda haka, jeri mai girma binciken na karni na 20th, game da yanar-gizo ba za a manta. An yi imani da cewa na farko da matakai a cikin wannan shugabanci da aka yi da Dr. Liklider, da masanin kimiyyar wanda ya jagoranci sojojin Amurka aikin da musayar bayanai. Saboda haka Arpanet cibiyar sadarwa da aka kafa tare da taimakon wanda a 1969, akwai wani canja wurin bayanai daga Jami'ar Los Angeles a Utah Lab. The aka yi harsãshinsa, da kuma a shekara ta 1972 da Internet da aka gabatar wa jama'a. Wannan mas'ala ta e-mail. Da sabuwar dabara na Internet ya zama sananne a ko'ina cikin duniya, da kuma a 'yan shekaru da shi da aka yi amfani da dubban mutane. By karshen karni na ashirin, da suka juya ashirin da miliyan.

kwamfuta

A babban binciken na karni na 20th ne mafi sau da yawa dangantaka da fasaha ci gaba. Shin ba togiya da kwamfuta. Idan muka fahimci da kalmar ilmin lissafi na'ura, irin sunadaran wanzu tun goma sha bakwai karni. Amma da na'urar a cikin zamani ji bayyana ne kawai a cikin ashirin. analog kwamfuta, shi ci gaba a Amurka da aka kafa a shekara ta 1927. By tsakiyar karni, akwai kuma wani lantarki na'urar. Yana da aka halitta da na'ura Mark Na - na farko real kwamfuta. Bayan wannan ci gaban ya tafi wani Littãfi taki. ajiya Hanyar an maye gurbinsu da ƙulli diskettes, sa'an nan zuwa ga m woje da tafiyarwa. Canje-canjen da shirye-shirye da harsuna. A farko kwamfuta zo up ne kawai na yin algebraic gudanar, da kuma na zamani na'urorin ne multifunctional na'urar da cewa shi ne ya dace domin wani iri-iri ayyuka.

Instant noodles

Enumerating mai girma binciken na karni na 20th, kada mu manta da cewa ga alama da farko kallo da wani tasiri. Instant noodles - a saba iyali samfurin, amma da bayyanar ya canza da sinadirai masu halin da ake ciki a kitchen ko rashi, a wuraren aiki da kuma ma ya wata babbar nasara. Wannan irin taliya ƙirƙira Japan Ando Momofuki. Post-yaki Japan yana cikin bukata na abinci, da kuma abinci ne samuwa ba tare da da yawa wahala a yin baro-baro ya gyara halin da ake ciki. Saboda haka Ando yanke shawarar fara neman musamman noodles. Ya yi kokari da dama hanyoyin da za a dafa, har ya aka kama ba tare da yisti batter, manufa domin bushewa. A shekarar 1958 ya fara samar da ta noodles, amma a yau ake amfani da shekara fiye da arba'in biliyan servings a irin wannan samfurin. Wani samu Ando Momofuki ya kasance da yin amfani da musamman roba kofuna, wanda zai shirya wani sauri ci abinci ba tare da kayayyakinsa.

penicillin

Mutane da yawa mashawarta masana kimiyya na karni na 20th alaka da asalin sciences, amma kuma mai tsanani nasara a magani. Shi ne a cikin wannan karni akwai wani penicillin, wani magani da cewa ceto da rayuwar miliyoyin. Yã ƙirƙira shi ne Banasare Alexander Fleming a 1928 ya gano sakamako na mold kwayoyin. Sha'awa, mai girma binciken na karni na 20th iya ba replenish zuwan maganin rigakafi. All abokan aiki Fleming yi imani da cewa babban abu - ba fafitikar da microbes, da kuma karfafa rigakafi. Maganin rigakafi da jũna m ya kuma kasance unclaimed biyu na shekaru bayan da ya halitta. Kawai ta 1943 th da miyagun ƙwayoyi zama yadu used a kiwon lafiya cibiyoyin. Fleming bai daina nazarin microbes kuma ba kawai inganta penicillin, amma kuma halitta da taimakon da ya samu, da dama, da zane-zanen da jawo kwayoyin musamman abu.

ballpoint alkalami

By nazarin kimiyya da fasaha qirqire, yana yiwuwa ya manta game da kananan gida da inganta cewa na bayar da muhimmanci. Alal misali, duk da saba ballpoint alkalami ya bayyana ne kawai a 1943. Ƙirƙira shi Laszlo Biro, wanda jagoranci jaridar bugu tsari da kuma tunani, me ya sa ba cika tanki rike wannan sauri-bushewa tawada? Ya kamata su zama lokacin farin ciki. Cewa ba su score bude rike, da ball dole ne a sanya a can. Na yi tunani game da wannan duka, Biro halitta a samfur. Hijira zuwa Argentina, ya same tallafa da kuma fara samar da tawada alkalama. A farko saye su ne matukan jirgin wanda ya iya amfani da su, da kuma a tsawo: al'ada alkalami tafi in babu matsa lamba. A 1953, Bafaranshen Marsel Bik canza kama da siffar da tawada alkalami da kuma zai iya haifar da mai rahusa zabin cewa zama samuwa ga kowa da kuma mamaye duniya.

injin

Wani firtsi, muhimmanci inganta hanyar rayuwa, yana taimaka mafi yawan mutane jimre da datti tufafi. Injin ya bayyana ne kawai a shekarar 1947, ya maye gurbin laundresses a post. A farko wannan sabuwar dabara da aka sanya a cikin US kasuwar da ƙungiya biyu - General Electric da Bendix Corporation. The inji sun m da kuma m, da darajar da kawai aikin. Don canza wannan halin da ake ciki, developers yanke shawarar Whirlpool, abin da ya halitta wani sabon version na Injin a tsakiyar karni na ashirin da. Ta ɓoye roba overlays cewa rage amo, da tsarin za a iya yi a cikin launi daban-daban, da kuma sauran zane bayani ya zama mai yawa fiye da m. Tun daga nan, da Injin ya juya a cikin quite wani ado abu. A cikin Tarayyar Soviet na farko da irin wannan na'urar ta bayyana a shekarar 1975, kuma aka kira "Volga-10", amma mafi nasara ne kawai "Vyatka-na'ura-12", wanda ta fara samar da shi a 1981. Modern inji za a iya Fitted da bushewa aiki, da hanyoyi daban-daban na loading, nuni, jinkirta fara saita lokaci, kuma ko da iya haɗi zuwa Intanit.

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