In the drawn examples... How is example C) possible in reality??...

 

Example C shows water appearing in a hollow and sealed cube via point B. The source of the water travels to point A first.....

 

This question is from real world experience... Answers will b appreciated..

 

Elves.

Water can appear inside the cube if water vapor in it condenses into a liquid, such as from a temperature drop.

Hiding tubes connecting the hollows. May be in some magic trick.

10 hours ago, vjtunes said:

In the drawn examples... How is example C) possible in reality??...

 

Example C shows water appearing in a hollow and sealed cube via point B. The source of the water travels to point A first.....

 

This question is from real world experience... Answers will b appreciated..

 

To comment usefully on this we are going to need more than just pencil sketches, with no accompanying explanation.

What is it that you have actually seen, and in what context? (I do hope it is not a YouTube video.)  

11 hours ago, vjtunes said:

In the drawn examples... How is example C) possible in reality??...

 

Example C shows water appearing in a hollow and sealed cube via point B. The source of the water travels to point A first.....

 

This question is from real world experience... Answers will b appreciated..

 

 

 

something like this is used in engineering, including computer engineering.

 

They are called heat pipes.

 

https://en.wikipedia.org/wiki/Heat_pipe