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The Anti Gravity Atmospheric Pressure Fish Tank

Updated on April 26, 2015

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.

Comments

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  • Peter Dickinson profile imageAUTHOR

    Peter Dickinson 

    5 years ago from South East Asia

    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.

  • profile image

    Jeff-Williams 

    5 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 imageAUTHOR

    Peter Dickinson 

    9 years ago from South East Asia

    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.

  • profile image

    fisher 

    9 years ago

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

  • penelopedarcy profile image

    penelopedarcy 

    9 years ago from United Kingdom

    yup! just tried it! AMAZING. LOL

  • Peter Dickinson profile imageAUTHOR

    Peter Dickinson 

    9 years ago from South East Asia

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

  • penelopedarcy profile image

    penelopedarcy 

    9 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? : )

  • shamelabboush profile image

    shamelabboush 

    9 years ago

    Fantasic trick where you get to interact with the fishes.

  • Rabbit Reviews profile image

    Rabbit Reviews 

    9 years ago

    Neato!

  • Peter Dickinson profile imageAUTHOR

    Peter Dickinson 

    9 years ago from South East Asia

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

  • profile image

    Adam B 

    9 years ago

    Very cool hub, I look forward to reading more.

  • men are dorks profile image

    men are dorks 

    9 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?

  • jim10 profile image

    jim10 

    9 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.

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