Experiment of recreative physics: Trick of the card

Best regards to You mi friends on steemit, here I am to explain You physical phenomenas using an experiment very simple to do but with a value added, because the way we did the experiment we did in an unconventional way, because it seems more like a fair trick than an experiment, but we do this in order to make entertaining learning for all audiences. The video was recorded some years ago in spanish but I edited the video placing subtitles in English. Behind the camera and being co-experimenter in this work is my best friend. Here is the video, enjoy it.

So, as You can see, if You make the experienc in a similar way You should be able to capt the atention of the public, we made this experiment to different audiences and the response from the people has been amazing, especially that of children.

I'm left to You to think about the explanation of the phenomena, please write Your explanation on the comments and with pleasure I will response to You.