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<div class="yiv0520073090MsoNormal" id="yui_3_16_0_1_1430066448842_15452"><span style="font-size:16.0pt;">É preciso ter o Mathematica Player (FREE):</span><u></u><u></u></div>
<div class="yiv0520073090MsoNormal" id="yui_3_16_0_1_1430066448842_15430"><a rel="nofollow" shape="rect" target="_blank" href="http://www.wolfram.com/products/player/download.cgi" id="yui_3_16_0_1_1430066448842_15429">http://www.wolfram.com/products/player/download.cgi</a><u></u><u></u></div>
<div class="yiv0520073090MsoNormal" id="yui_3_16_0_1_1430066448842_15451"> <u></u><u></u></div>
<div class="yiv0520073090MsoNormal" id="yui_3_16_0_1_1430066448842_15470"><b><span lang="EN-US">Snell's Law of Refraction (Wave Fronts)</span></b><u></u><u></u></div>
<div class="yiv0520073090MsoNormal" id="yui_3_16_0_1_1430066448842_15469"><a rel="nofollow" shape="rect" target="_blank" href="http://demonstrations.wolfram.com/SnellsLawOfRefractionWaveFronts/">http://demonstrations.wolfram.com/SnellsLawOfRefractionWaveFronts/</a><u></u><u></u></div>
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<div id="yui_3_16_0_1_1430066448842_15468"> <span style="color:white;"><u></u><u></u></span></div>
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