how does the “magic water tank” in ocean park work?

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I honestly don’t know the exact name of that thing. You guys can google it to see the image. Basically, it is a transparent water tank. In the side of it, there is an opening with a smaller tank attached to the main tank where you can put your hand inside to touch the water. What i don’t understand is that: the water of the big tank is at much higher height compared to the small tank. Yet the water doesn’t just flow out. I also can put my hand inside the big tank through that opening, and there is no transparent barrier between the two. It very strange

In: Physics

3 Answers

Anonymous 0 Comments

The top is sealed. 

Since the top is sealed, the water cannot flow out of the holes, because for that to happen, there must be a source of air (or something else) to replace the water flowing out. 

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