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      <title>Fizica si dezvoltarea societatii by Radu Cast</title>
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      <description>Contributia fizicii la dezvoltarea societatii</description>
      <language>en-us</language>
      <pubDate>2017-05-09 18:59:06 UTC</pubDate>
      <lastBuildDate>2025-10-07 20:23:43 UTC</lastBuildDate>
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         <title>Fizica</title>
         <author>radu_ask</author>
         <link>https://padlet.com/radu_ask/wwphlj4w4pky/wish/170862302</link>
         <description><![CDATA[<div>Fizica este o stiinta care se ocupa de studiul fenomenelor naturii. De la inceputul lumii , oamenii incearca sa creeze lucruri noi care sa ii ajute sa duca o viata mai buna.</div>]]></description>
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         <pubDate>2017-05-09 19:05:14 UTC</pubDate>
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         <title>Primele inventii</title>
         <author>radu_ask</author>
         <link>https://padlet.com/radu_ask/wwphlj4w4pky/wish/170862444</link>
         <description><![CDATA[<div>Prima mare inventie, roata, a fost un pas mare al omenirii in evolutie. Urmatoarele inventii si descoperiri au influentat hotarator evolutia umana: aprinderea controlata a focului, prelucrarea metalelor(cupru, si mai tarziu fonta), navigatia, busola, luneta (sistemul de lentile concave), forta aburilor, automobilul, aeronautica, telefonu si multe altele.</div>]]></description>
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         <pubDate>2017-05-09 19:05:51 UTC</pubDate>
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         <title>Fizica spatiala</title>
         <author>radu_ask</author>
         <link>https://padlet.com/radu_ask/wwphlj4w4pky/wish/170863206</link>
         <description><![CDATA[Fizica spatiala este un ajutor de asemenea si in medicina; in urma unor experimente s-a observat evolutia starii sanatatii unor bolnavi de cancer, iar expertii au spus ca boala a stagnat]]></description>
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         <pubDate>2017-05-09 19:09:15 UTC</pubDate>
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         <title>Focul</title>
         <author>radu_ask</author>
         <link>https://padlet.com/radu_ask/wwphlj4w4pky/wish/171697848</link>
         <description><![CDATA[<div>Aprinderea focului pentru prima data in mod controlat a fost facuta prin frecarea sau lovirea a doua corpuri, observandu-se o crestere a temperaturii la suprafata de contact.</div>]]></description>
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         <pubDate>2017-05-14 19:00:21 UTC</pubDate>
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         <title>Bronzul</title>
         <author>radu_ask</author>
         <link>https://padlet.com/radu_ask/wwphlj4w4pky/wish/171698028</link>
         <description><![CDATA[<div>Prelucrarea bronzului, un aliaj dur al cuprului cu staniul, a fost de asemenea un pas mare in evolutia omului si a societatii. Acest fapt a avut un mare impact in producerea uneltelor, in trecerea de la cele de lemn si piatra la cele mai rezistente, de metal.</div>]]></description>
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         <pubDate>2017-05-14 19:03:06 UTC</pubDate>
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         <title>Despre busola</title>
         <author>radu_ask</author>
         <link>https://padlet.com/radu_ask/wwphlj4w4pky/wish/171698126</link>
         <description><![CDATA[<div>Busola a fost o descoperire mare pentru navigatorii vremii, inventatorii acestei a folosindu-e de proprietatea magnetitei de a se indrepta spre polul de valoare opusa lui(+- si –+), ajutandu-i sa se orienteze in calatoriile comerciale.</div>]]></description>
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         <pubDate>2017-05-14 19:04:47 UTC</pubDate>
         <guid>https://padlet.com/radu_ask/wwphlj4w4pky/wish/171698126</guid>
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         <title>Motorul pe aburi </title>
         <author>radu_ask</author>
         <link>https://padlet.com/radu_ask/wwphlj4w4pky/wish/171698311</link>
         <description><![CDATA[<div>Forta aburilor a fost pusa in aplicatie pentru prima oara la un motor care antrena un fierastrau de taiat lemne, deci un&nbsp; motor static. Abia mai tarziu a fost inventata locomotiva. Scepticii spuneau ca trenurile nu trebuiau lasate sa prinda viteza de frica sa nu se faca vid in interiorul trenului si sa se sufoce calatorii.</div>]]></description>
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         <pubDate>2017-05-14 19:07:25 UTC</pubDate>
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