تماشای ویدئو BALL IN AIR ENGLISH 10MB.wmv از آی-ویدئو

In this fun experiment you can levitate a ping-pong ball. First punch a hole at the end of a fat straw and seal that end. Now place a ping-pong ball on the hole and blow from the other end. A stream of air will come out and keep the ball hanging in the air. The stream of air will keep the ball afloat. http://www.arvindguptatoys.com/toys/floating.html This work was supported by IUCAA and Tata Trust. This film was made by Ashok Rupner TATA Trust: Education is one of the key focus areas for Tata Trusts, aimin
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