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#Mon Aug 09 11:41:20 CEST 2010
Slide__QrYDgKOaEd-WfYQ0GneCwQ_title=Huygens\u2019 Theory of Light
Slide__QrYDgKOaEd-WfYQ0GneCwQ_footer=<br>Study on reflection of light. Christian Huygens\: Trait\u00E9 de la lumiere, 1690
Slide__QrYDgKOaEd-WfYQ0GneCwQ_subTitle=