Stiinta Si Tehnologie Intrebari si raspunsuri, Intreaba despre Stiinta Si Tehnologie Pag 12

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Total: 546 intrebari

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Exista un test simplu prin care se pot verifica afirmatiile teoretice ale lui Otto Lilienthal, ...

by Cosmin on November 07, 2010

1 answers

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Cine si-a luminat atelierul cu un bec de fabricatie proprie?

by Armand on November 07, 2010

1 answers

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Ce era mortierul Palmerston?

by EU on November 07, 2010

1 answers

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Cate roti avea automobilul lui Lenoir?

by Corina on November 07, 2010

1 answers

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Cine a pus bazele desenului tehnic?

by Chelu on November 07, 2010

1 answers

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Ce sunt colectorii solari?

by Marin on January 21, 2011

1 answers

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Cum a fost posibila reducerea timpului de expunere pentru radiografiile Rontgen?

by Laur on January 21, 2011

1 answers

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Cum functiona redresorul mecanic?

by Didi on January 21, 2011

1 answers

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Cum a fost posibila realizarea ecranelor plate?

by Cosmin on January 21, 2011

1 answers

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De ce a fost produs radioul Volksempfanger?

by Laur on January 21, 2011

1 answers

64 views

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Ce predecesori au avut circuitele integrate?

by Viorel on January 21, 2011

1 answers

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Ce structura aveau primele sisteme destinate stocarii datelor?

by Victor on January 21, 2011

1 answers

64 views

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Cand a fost posibila utilizarea tranzistorilor chiar si in conditii de inalta frecventa?

by Ciribauru on January 21, 2011

1 answers

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Ce cauta fonograful la telefon?

by Miron on November 07, 2010

1 answers

63 views

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In ce scop a fost realizata initial antena pentru telecomunicatii, pusa la punct de Popov?

by Madalin on November 07, 2010

1 answers

63 views

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Cat de bune erau masinile de calculat?

by Viorel on November 07, 2010

1 answers

63 views

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Cine a pus la punct primul sistem de copiere?

by Miron on November 07, 2010

1 answers

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Microscopul a fost de la bun inceput un instrument destinat cercetarii?

by Gabriela on November 07, 2010

1 answers

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Unde a fost instalata prima scara rulanta?

by Florina on November 07, 2010

1 answers

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Se poate transforma sticla in vata?

by Gabriela on November 07, 2010

1 answers

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Cand a fost pusa la punct tehnica realizarii fotografiilor color?

by Carmina on January 21, 2011

1 answers

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Cum a fost posibila realizarea tubului electronic?

by Inu on January 21, 2011

1 answers

63 views

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In ce mod a fost simplificata programarea calculatoarelor?

by Tony on January 21, 2011

1 answers

63 views

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Ce a urmat dupa ce aselenizarea a avut loc cu succes?

by Niki on January 21, 2011

1 answers

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Care a fost al doilea PC realizat de IBM?

by Gabriela on January 21, 2011

1 answers

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Ce misiuni au indeplinit sondele spatiale americane Ranger?

by Marius on January 21, 2011

1 answers

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Au existat predecesori ai omnibuzului?

by gogu on November 07, 2010

1 answers

62 views

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Ce se intelege prin formula cardinala a electrod inamicii?

by Carmina on November 07, 2010

1 answers

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Ce cauta fierul in beton?

by gogu on November 07, 2010

1 answers

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Cine a realizat primele anvelope din cauciuc umplute cu aer?

by gogu on November 07, 2010

1 answers

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A fost posibila salvarea unor vieti omenesti cu ajutorul benzinei?

by gogu on November 07, 2010

1 answers

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De ce s-a trecut din nou la utilizarea conductelor din plumb in sec. al XVI-lea?

by Laur on November 07, 2010

1 answers

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Care este unul dintre principiile de baza pentru realizarea unor masini cu aburi eficiente?

by Sobo on November 07, 2010

1 answers

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Au existat lucrari teoretice referitoare la constructia rachetelor?

by Chelu on January 21, 2011

1 answers

62 views

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De cand exista telefoane cu monede?

by Tony on January 21, 2011

1 answers

62 views

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Ce consideratii teoretice au permis realizarea tubului electronic?

by Lucy on January 21, 2011

1 answers

62 views

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De ce s-a utilizat curent continuu pentru alimentarea locomotivelor?

by Gabriela on January 21, 2011

1 answers

62 views

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Cum functioneaza un tub amplificator?

by Marius on January 21, 2011

1 answers

62 views

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Ce sunt centralele electrice care functioneaza cu turbine cu gaze?

by Velea on January 21, 2011

1 answers

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Exista posibilitatea de a se realiza radiografii Rontgen cu un coeficient ridicat de luminozitate?

by Corina on January 21, 2011

1 answers

62 views

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