AnchorSteam Posted May 15, 2017 Author #76 Share Posted May 15, 2017 4 hours ago, Sir Wearer of Hats said: Except Helium is a rare resource, and it's dwindling quickly because it's used in high end electronics manufacturing. The use of Helium in that regard is actually on the decline so.... hey, didn't we already go over this here? Link to comment Share on other sites More sharing options...
Merc14 Posted May 24, 2017 #77 Share Posted May 24, 2017 The 320' long Airlander had a successful two hour test flight hhttp://www.space.com/36987-airlander-worlds-largest-airship-test-flight.html 1 Link to comment Share on other sites More sharing options...
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