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I disagree.

There is nothing for H2 to react with inside the tube. Therefore, it will rise into space. Pressure difference = Flow.Energy is conserved inside the tube. Physics says so not me.
Nitrogen, Oxygen, etc also escape, but much slower than even the light gasses. These molecules escape at a lower velocity because they are more massive, and gravity wants to hold them to the Earth longer.

At the height of 20 miles the Helium is still enclosed inside the rubber balloon, what happens? It becomes neutrally bouyant within the atmosphere because it still has the weight of the rubber balloon surrounding it,and it can't continue up further. Now pop the balloon.The Helium continues on up,and into space.

Look at a hydrogen or a helium filled balloon as it goes up, and gravity does not hold it to Earth. The hydrogen or helium would continue to go up to space, if it was not contained in the rubber. Who would want to run a computer model just to see what would happen?

Troposhere, stratosphere, mesosphere. Ionosphere and thermosphere = exosphere.
H2 or He escapes them all. Gravity can not contain H2 or He to earth. Perhaps, the magnetosphere can though but not all of it???

I agree. Who knows how life evolves on other planets we don't even know how it evolves on this planet.It does look like some of them are replicating into other spheres. This image has a broken sphere in it. The break is clean, and the surface is smooth, and you can make out a nucleus near the center.It is just below the sphere that looks like it is dividing into two seperate spheres.

[http://marsrovers.jpl.nasa.gov/gallery/ … 33M2M1.JPG]http://marsrovers.jpl.nasa.gov/gallery....2M1.JPG

Well, now that they have put the RAT on it, it doesn't look like anything but a chocolate chip cookie. If they had used a finer grit it would have shown that dark spot in the center. That broken peice shows the spot because it cleaved with a smooth surface.

The smokestack theory works. Natural circulation occurs because of the temperature difference between the two elevations.

So, whatever amount escapes from the top no matter how small, is also being resupplied at the bottom. Therefore, a continious flow is occuring. Now it becomes a volume problem. How much is actually escaping and at what rate? Frictional losses,tube diameter, diffential of pressure, and heat losses all have to be calculated. BTW what flavor hat do you like, and what is your address so I can send you one? Don't take me seriously just messing with ya!!!

Ah, but it still proves these gasses rise up, and they eventually make it to space even without the tube as long as it does not combine with other atoms on the way. The solar wind then carries them away. For H2 to make it all the way up is hard to do because it is a hungy molecule, and will combine with just about anything in our atmosphere. As long as there is a pressure difference between space,and sea level a flow will occur. Pressure difference = flow. Gravity does not hold these molecules to Earth. If it did then they would not make it to space.

You wouldn't need to apply extra pressure.It will flow because of the difference of pressure. Nothing has to be attached at the bottom.

The inside is diameter is 1/4 inch.