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Replace Nitrogen

 Well it doesn't do anything, does it?
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Start taking Nitrogen out of the atmosphere. At the same time start making Helium, probably using bubble-fusion or something. Before they know it, everyone will be speaking in squeaky voices. Ha ha, it'll be just like Jupiter!
—lubbit, Mar 30 2002

has its uses in the soil http://www.soils.um...25/doc/slab9org.htm
are you talking bubble wrap - newly minted cockney phrase [po, Mar 30 2002]

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       It doesn't do anything? Plants need nitrogen to grow.
—TeaTotal, Mar 30 2002
   

       Yeah, but with all this helium and global warming isn't there a good chance that the helium will spontaniously fuse and turn the earth into a secondary star?   

       Ah, optomism.
—[ sctld ], Mar 30 2002
   

       Doesn't do anything!? Plants use nitrogen. It keeps the conentration of oxygen at a level animals & humans are designed for (look up partial pressure laws). Since it makes up 70% of the atmosphere, the planet wouldn't have hardly any shielding left ifyou took it away. This change in volume would drastically change weather patterns and probably kill us all.   

       But other than that, I guess it's no biggie. By the way, how were you planning on extracting all the nitrogen?
—lumpy, Mar 31 2002
   

       Massive continual electric storms?
—mcscotland, Mar 31 2002
   

       Bonus for scuba divers. The substitution of helium for nitrogen in breathing mixtures for divers means that a smaller amount of gas dissolves in the diver’s blood ( due to lower solubility ) and moderates the risk of “bends.”
—spartanica, Mar 31 2002
   

       Putting helium into the atmosphere would never work. There's a reason that the Earth has almost no helium on it, even though helium is one of the most abundant elements in the universe: gravity. The Earth's gravity isn't strong enough to hold helium down. The only helium found on Earth is underground, usually in methane deposits. Otherwise it just floats out of the atmosphere.
—Agamemnon, Apr 03 2006
   
      
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