In reply to [email protected]'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
