Tipos de luz según su origen

<iframe src="//www.slideshare.net/slideshow/embed_code/41802021" width="425" height="355" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:1px solid #CCC; border-width:1px; margin-bottom:5px; max-width: 100%;" allowfullscreen> </iframe> <div style="margin-bottom:5px"> <strong> <a href="//www.slideshare.net/titopalo/luuuuus" title="Luuuuus" target="_blank">Luuuuus</a> </strong> from <strong><a href="//www.slideshare.net/titopalo" target="_blank">titopalo</a></strong> </div>