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	<title>optica Archives - MultiMedia</title>
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	<description>Știință și filosofie, afaceri online (web design, marketing, traduceri, cărți online, rețele sociale), artă. Știința informației (data science, business intelligence).</description>
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		<title>Construirea unui telescop reflector newtonian</title>
		<link>https://www.telework.ro/ro/e-books/construirea-unui-telescop-reflector-newtonian/</link>
					<comments>https://www.telework.ro/ro/e-books/construirea-unui-telescop-reflector-newtonian/#respond</comments>
		
		<dc:creator><![CDATA[Nicolae Sfetcu]]></dc:creator>
		<pubDate>Sun, 14 Sep 2025 07:06:28 +0000</pubDate>
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					<description><![CDATA[<p>Sfetcu, Nicolae (2025). ”Construirea unui telescop reflector newtonian”, în Index Academic, I 2025, DOI: 10.58679/IA38211 &#160; PDF: https://www.indexacademic.ro/pdf/construirea-unui-telescop-reflector-newtonian/ HTML: https://www.telework.ro/ro/construirea-unui-telescop-reflector-newtonian/ &#160; Construirea unui telescop Newtonian este o experiență educativă și satisfăcătoare pentru pasionații de astronomie. Un telescop reflector tip Newton &#8230; <a class="kt-excerpt-readmore" href="https://www.telework.ro/ro/e-books/construirea-unui-telescop-reflector-newtonian/" aria-label="Construirea unui telescop reflector newtonian">Citeşte mai mult</a></p>
<p>The post <a href="https://www.telework.ro/ro/e-books/construirea-unui-telescop-reflector-newtonian/">Construirea unui telescop reflector newtonian</a> appeared first on <a href="https://www.telework.ro/ro">MultiMedia</a>.</p>
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		<post-id xmlns="com-wordpress:feed-additions:1">123004</post-id>	</item>
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		<title>Legea inversului pătratului pentru lumină</title>
		<link>https://www.telework.ro/ro/e-books/legea-inversului-patratului-pentru-lumina/</link>
					<comments>https://www.telework.ro/ro/e-books/legea-inversului-patratului-pentru-lumina/#respond</comments>
		
		<dc:creator><![CDATA[Nicolae Sfetcu]]></dc:creator>
		<pubDate>Tue, 09 Sep 2025 21:28:00 +0000</pubDate>
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					<description><![CDATA[<p>Sfetcu, Nicolae (2025). ”Legea inversului pătratului pentru lumină”, în Index Academic, I 2025, DOI: 10.58679/IA15570 &#160; PDF: https://www.indexacademic.ro/pdf/legea-inversului-patratului-pentru-lumina/ HTML: https://www.telework.ro/ro/legea-inversului-patratului-pentru-lumina/   Concepte: intensitate ∝ 1/r². Ce faci: LED puternic ca sursă; luxmetrul telefonului la diverse distanțe. Măsori: logI vs. logr &#8230; <a class="kt-excerpt-readmore" href="https://www.telework.ro/ro/e-books/legea-inversului-patratului-pentru-lumina/" aria-label="Legea inversului pătratului pentru lumină">Citeşte mai mult</a></p>
<p>The post <a href="https://www.telework.ro/ro/e-books/legea-inversului-patratului-pentru-lumina/">Legea inversului pătratului pentru lumină</a> appeared first on <a href="https://www.telework.ro/ro">MultiMedia</a>.</p>
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		<post-id xmlns="com-wordpress:feed-additions:1">122909</post-id>	</item>
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		<title>Difracție cu CD/DVD</title>
		<link>https://www.telework.ro/ro/e-books/difractie-cu-cd-dvd/</link>
					<comments>https://www.telework.ro/ro/e-books/difractie-cu-cd-dvd/#respond</comments>
		
		<dc:creator><![CDATA[Nicolae Sfetcu]]></dc:creator>
		<pubDate>Sat, 06 Sep 2025 10:36:38 +0000</pubDate>
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					<description><![CDATA[<p>Sfetcu, Nicolae (2025). ”Difracție cu CD/DVD”, în Index Academic, I 2025, DOI: 10.58679/IA13068 &#160; PDF: https://www.indexacademic.ro/pdf/difractie-cu-cd-dvd/ HTML: https://www.telework.ro/ro/difractie-cu-cd-dvd/   Concepte: rețele de difracție, lungime de undă. Ce faci: reflectă laserul pe suprafața unui CD spre un perete la distanță L. &#8230; <a class="kt-excerpt-readmore" href="https://www.telework.ro/ro/e-books/difractie-cu-cd-dvd/" aria-label="Difracție cu CD/DVD">Citeşte mai mult</a></p>
<p>The post <a href="https://www.telework.ro/ro/e-books/difractie-cu-cd-dvd/">Difracție cu CD/DVD</a> appeared first on <a href="https://www.telework.ro/ro">MultiMedia</a>.</p>
]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">122799</post-id>	</item>
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		<title>Legea lui Snell și unghiul Brewster</title>
		<link>https://www.telework.ro/ro/e-books/legea-lui-snell-si-unghiul-brewster/</link>
					<comments>https://www.telework.ro/ro/e-books/legea-lui-snell-si-unghiul-brewster/#respond</comments>
		
		<dc:creator><![CDATA[Nicolae Sfetcu]]></dc:creator>
		<pubDate>Thu, 28 Aug 2025 16:40:08 +0000</pubDate>
				<guid isPermaLink="false">https://www.telework.ro/?post_type=product&#038;p=122587</guid>

					<description><![CDATA[<p>Sfetcu, Nicolae (2025). ”Legea lui Snell și unghiul Brewster”, în Index Academic, I 2025, DOI: 10.58679/IA33219 &#160; PDF: https://www.indexacademic.ro/pdf/legea-lui-snell-si-unghiul-brewster/ HTML: https://www.telework.ro/ro/legea-lui-snell-si-unghiul-brewster/   Concepte: refracție, polarizare. Ce faci: laser printr-un vas dreptunghiular cu apă; notezi unghiurile cu un raportor. Măsori: n &#8230; <a class="kt-excerpt-readmore" href="https://www.telework.ro/ro/e-books/legea-lui-snell-si-unghiul-brewster/" aria-label="Legea lui Snell și unghiul Brewster">Citeşte mai mult</a></p>
<p>The post <a href="https://www.telework.ro/ro/e-books/legea-lui-snell-si-unghiul-brewster/">Legea lui Snell și unghiul Brewster</a> appeared first on <a href="https://www.telework.ro/ro">MultiMedia</a>.</p>
]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">122587</post-id>	</item>
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		<title>Gravitația în interogările din Optica lui Newton</title>
		<link>https://www.telework.ro/ro/e-books/gravitatia-in-interogarile-din-optica-lui-newton/</link>
					<comments>https://www.telework.ro/ro/e-books/gravitatia-in-interogarile-din-optica-lui-newton/#respond</comments>
		
		<dc:creator><![CDATA[Nicolae Sfetcu]]></dc:creator>
		<pubDate>Sun, 28 Aug 2022 20:27:57 +0000</pubDate>
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					<description><![CDATA[<p>Newton a sugerat, în timp, mai multe tipuri de eter care ar putea media acțiunea la distanță. Dar, consecvent ideii sale că nu va născoci ipoteze care nu se bazează pe dovezi experimentale, nu a promovat niciodată aceste sugestii la &#8230; <a class="kt-excerpt-readmore" href="https://www.telework.ro/ro/e-books/gravitatia-in-interogarile-din-optica-lui-newton/" aria-label="Gravitația în interogările din Optica lui Newton">Citeşte mai mult</a></p>
<p>The post <a href="https://www.telework.ro/ro/e-books/gravitatia-in-interogarile-din-optica-lui-newton/">Gravitația în interogările din Optica lui Newton</a> appeared first on <a href="https://www.telework.ro/ro">MultiMedia</a>.</p>
]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">110342</post-id>	</item>
		<item>
		<title>Fizica fenomenologică &#8211; Compendiu &#8211; Volumul 2</title>
		<link>https://www.telework.ro/ro/e-books/fizica-fenomenologica-compendiu-volumul-2/</link>
					<comments>https://www.telework.ro/ro/e-books/fizica-fenomenologica-compendiu-volumul-2/#respond</comments>
		
		<dc:creator><![CDATA[Nicolae Sfetcu]]></dc:creator>
		<pubDate>Mon, 25 Mar 2019 18:26:40 +0000</pubDate>
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					<description><![CDATA[<p>Descoperă universul fizicii printr-o perspectivă fenomenologică captivantă!</p>
<p>The post <a href="https://www.telework.ro/ro/e-books/fizica-fenomenologica-compendiu-volumul-2/">Fizica fenomenologică &#8211; Compendiu &#8211; Volumul 2</a> appeared first on <a href="https://www.telework.ro/ro">MultiMedia</a>.</p>
]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">86997</post-id>	</item>
		<item>
		<title>Lumina &#8211; Optica fenomenologică</title>
		<link>https://www.telework.ro/ro/e-books/lumina-optica-fenomenologica/</link>
					<comments>https://www.telework.ro/ro/e-books/lumina-optica-fenomenologica/#respond</comments>
		
		<dc:creator><![CDATA[Nicolae Sfetcu]]></dc:creator>
		<pubDate>Fri, 01 Jun 2018 10:57:24 +0000</pubDate>
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					<description><![CDATA[<p>Descoperă lumea fascinantă a fenomenelor optice!</p>
<p>The post <a href="https://www.telework.ro/ro/e-books/lumina-optica-fenomenologica/">Lumina &#8211; Optica fenomenologică</a> appeared first on <a href="https://www.telework.ro/ro">MultiMedia</a>.</p>
]]></description>
		
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		<post-id xmlns="com-wordpress:feed-additions:1">83727</post-id>	</item>
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