The Anti Gravity Atmospheric Pressure Fish Tank

The gravity tank is an amazing exhibit. Basically it is an ordinary fish tank of any size where the visitor can put their hand in with the fish through the middle of the tank. In spite of the fact that there may be four or eight foot of water over where you place your hand the water does not come flooding out.

I have spent a couple of hours watching peoples reactions to this exhibit. Many pass by without a glance. Others stare and try to figure it out and the clever ones are both amazed and fascinated. In Underwater World in Pattaya there is no supervision of the tank so it gets less attention. People put their hand in and the fish nibble their fingers. In Dalian, China visitors were allowed to feed the fish and so the tank got more attention.

I have lost count of the number of aquariums I have visited but have only seen this display in two. I would like to see more places using it because it is truly educational. It is not simply 'fish' and 'water' but science too.

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Comments 13 comments

jim10 profile image

jim10 7 years ago from ma

That fish tank is pretty amazing. I have never seen anything like that before. I hope one comes to the New England Aquarium sometime.


men are dorks profile image

men are dorks 7 years ago from Namibia

Peter, you as always come up with the most amazing hubs. This one is like usual very good. How r you mate. Everything cool?


Adam B 7 years ago

Very cool hub, I look forward to reading more.


Peter Dickinson profile image

Peter Dickinson 7 years ago from South East Asia Author

Thank you Jim10 and Adam B. Men are dorks...I have it on my list of things to do. Will write to you tomorrow.


Rabbit Reviews profile image

Rabbit Reviews 7 years ago

Neato!


shamelabboush profile image

shamelabboush 7 years ago

Fantasic trick where you get to interact with the fishes.


penelopedarcy profile image

penelopedarcy 7 years ago from United Kingdom

wow! I passed by that tank and didn't even know it!!! have to go back there. hehe

can i repost this to my blog Peter? : )


Peter Dickinson profile image

Peter Dickinson 7 years ago from South East Asia Author

Thanks penelopedarcy..have you tried the bottle trick yet? Go ahead and re-post.


penelopedarcy profile image

penelopedarcy 7 years ago from United Kingdom

yup! just tried it! AMAZING. LOL


fisher 7 years ago

Very neat indeed! So how do they service the tank...? Through the hole? Or can they plug it before opening the top?


Peter Dickinson profile image

Peter Dickinson 7 years ago from South East Asia Author

fisher - I never asked how it was done...I must next time. I have several theories but until then it will have to remain a mystery.


Jeff-Williams 3 years ago from Central Florida

No where in your article is there an explanation as to WHY the water does "water does not come flooding out". From fisher's letter above, I assume that the top is airtight and that prevents drainage through the side hole.

Also, you did not mention where the two such aquaria you have seen are located. Curious readers would like to know.


Peter Dickinson profile image

Peter Dickinson 3 years ago from South East Asia Author

Thank you Jeff Williams.....true enough I do not explain why the water does not come flooding out...it is because the top is airtight. There is no other reason. Sorry, but to me that is logical. Perhaps I should have explained further.

However I did mention the location of the two aquaria that I have seen this remarkable feature.

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