In reply to  bobcook39...@hotmail.com's message of Fri, 10 Nov 2017 22:52:23
+0000:
Hi,
[snip]
>Answer: Yes, as a replacement for expensive, finite, and scarce helium.

I doubt it. I think it would just leak through the skin of the balloon.

Regards,

Robin van Spaandonk

http://rvanspaa.freehostia.com/project.html

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