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Thread: Zanimljivosti iz nauke

  1. #1051
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    Last edited by funestis; 30-05-15 at 22:34.

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    Mozda poznato ali nije los eksperiment...



    Video koji treba gledat' istovremeno sa gornjim:

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  4. #1054
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    You must spread some Reputation around before giving it to Fidel Castro again.

  5. #1055
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    Nije nov video ali sam ga nekako propustio... Malo me ubio u pojam sam kraj...

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  6. #1056
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    jebenti!



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  11. #1061
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    CNN mi definitivno nije izvor najboljih informacija ali ne nadjoh nista bolje, za sad...

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  14. #1064
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  16. #1066
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    Interesantno mi je to kako naucnici sve vise posmatraju prirodu i tamo traze rjesenja kako bi iskoristili njene savrsenosti i primijenili ih za neke druge stvari:
    http://www.sciencetimes.com/articles...technology.htm

    Evo na ovom linku imamo nekoliko takvih rjesenja koja se danas primjenjuju:
    http://www.airbus.com/innovation/eco...gn/biomimicry/

    Nedje sam bas gledao ovo za krila od orla sto su iskoristili kako bi smanjili vrtloge sa ovim zavrsecima na krilima aviona.

    U vecini ovih clanaka mozemo naci da je to sto su istrazivali bas savrsena kombinacija i da je bilo sta duze/krace ne bi valjalo:
    Npr: "The eagle’s wings perfectly balance maximum lift with minimum length by curling feathers up at the tips until they are almost vertical."
    "With the knowledge that low aspect ratios favor this ability to hover, the team studied a hummingbird wings with different aspect ratios, from low to intermediate to large. They found that the ideal aspect ratio for vortex stability is 4 chord lengths from the base of the wing; beyond this, the wing stalls. This explains why most birds, insects and bats have aspect rations that are between 3 and 4 chord lengths."

    Za mene je sve ovo dokaz da iza svega toga postoji neki Znalac koji je sve to Mudro i sa mjerom stvorio. Za neke moze biti i da je za to zasluzna evolucija. Prosudite sami. I za kraj pitanje ako smo toliko napredovali u nauci zasto ne nalazimo neka "svoja" mnogo bolja rjesenja vec moramo da krademo od "prirode" i tamo nalazimo idealna rjesenja za savremene probleme sa kojima se susrecemo.

    17 Al-Isra, 37:
    Ne hodi po zemlji nadmeno, jer zemlju ne možeš probiti ni brda u visinu dostići.

  17. #1067
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    Quote Originally Posted by Archi View Post
    Za mene je sve ovo dokaz da iza svega toga postoji neki Znalac koji je sve to Mudro i sa mjerom stvorio. Za neke moze biti i da je za to zasluzna evolucija. Prosudite sami.
    Nema sto sami da prosudjujemo. Za to je zasluzna prirodna selekcija i evolucija. Jedinke koje nemaju nesto sto im treba da bi prezivjele u svojoj okolini izumru tako da njihovi geni ne mogu da se prenesu na slecece generacije. To ne znaci da su geni u potpunosti nestali, mogu da se aktiviraju u nekoj od sledecih generacija, ali iz generacije u generaciju sve manje i manje jer takve jedinke ne uspiju da prezive u svojoj okolini. Samo zato sto mi ne vidimo sve ptice koje su rodjene ne znaci da nema takvih slabih jedinki koje ne uspiju da prezive zbog losih gena. Mi vidimo samo one koje ocigledno jesu u stanju da lete. One ciji geni su prilagodjeni okolini u kojoj zive. Da preselis te ptice na Antarktik ne bi se snasle. Ista stvar je i sa ljudima. Na primjer, arsenik je izuzetno opasan za ljudsku upotrebu. A vidis, ima jedna grupa ljudi koja je uspjela da se prilagodi jer zive u okolini u kojoj je procenat arsenika u vodi veliki: http://www.iflscience.com/health-and...dapted-arsenic
    Mi tamo ne bi prezivjeli.
    Look upon my works ye mighty and this pear...

  18. #1068
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    Molio bih da raspravu o inteligentnom dizajnu nastavite na postavljenom novom topiku na Filozofiji i Religiji gdje sam iskopirao ove postove (i otvorio novu temu)

    http://www.forum.cdm.me/showthread.p...22#post4102622

    Ovo su ipak zanimljivosti iz nauke.

    Ove postove neću brisati jer sadrže par zanimljivih linkova kojima je svakako mjesto na ovom topiku (iako diskusija koja se rađa nije).

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  23. #1073
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