Buddies worked together to create a thaumatrope. A thaumatrope is a an optical toy. When the straw is twirled quickly between the fingers the two pictures appear to blend into one due to the persistence of vision.
Buddies worked together to create a thaumatrope. A thaumatrope is a an optical toy. When the straw is twirled quickly between the fingers the two pictures appear to blend into one due to the persistence of vision.
