Best Video/Kolik váží stín? (How Much Does a Shadow Weigh?)

{{Application:Wikilook Blog/Article
 * blog=Best Video
 * module=Article
 * author=Gaijin
 * publishingtimestamp=2012/10/22 11:00
 * title=Kolik váží stín? (How Much Does a Shadow Weigh?)
 * categories=Věda
 * leading=Kolik váží stín?.
 * text={{ Widget YouTube Advanced | id = Do1lm9IevYE | width = 560 | height = 315 | language = cs_CZ }}

Reference
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 * comments=Collaboration, Disqus
 * channel=Riverlook
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 * uuid=3d563a1e-393b-4de3-a856-ebcd1b123b39