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<title>Scientia QA - Intrebari recente cu tag-ul lemn</title>
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<title>De ce fotonii luminii vizibile trec prin sticlă, dar nu şi printr-o bucată de lemn?</title>
<link>https://www.scientia.ro/qa/10737/de-ce-fotonii-luminii-vizibile-trec-prin-sticla-dar-nu-si-printr-o-bucata-de-lemn</link>
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<pubDate>Sun, 07 Oct 2012 14:14:53 +0000</pubDate>
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