China pot

China pot
This is a magical ancient Chinese pot, As you look it, it has not a cover, then, how water is going in?
Secret in the pot's Bottom! In the bottom, there's a tube, straight through to the top of the pot, the water is from here.
So, when adding water, will not leak from the spout it? will not!
Because the spout has another tube to extend along the kettle side of the pot, only the water diffuse through the nozzle, will be out of water.
Fill the water upside down, no water out.
Hold the pot, tilt, in order to pour out the water, as we usually pour the same water.
So why water can come out? If the jug is sealed, atmospheric pressure does not allow water to come out.
At this point, the inlet pipe to play the role of connecting the atmosphere, this time it became the inlet!
What a magical pot ,how interesting!
It is said that Chinese scientists at that time in order to find out its principles, a lot of effort, because you can not see it inside and you can not break