On a visit recently to the Pensacola Naval Aviation Museum, I came across yet another attempt to communicate to the public the relevant (to airships) difference between helium and hydrogen. It really cracked me up! While the sign is true, you have to wonder how many other statments could receive this treatment. I guess that makes dirt "less explosive" than dynamite?
All kidding aside, the museum was really fantastic. More photos/blog posts to come soon!
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