[ExI] trust the fake science?

[Adrian Tymes]

On Sun, Jun 9, 2024 at 1:48 PM Keith Henson <hkeithhenson at gmail.com> wrote:

> A long time ago I saw an analysis of this which used concrete for the
> shell.  As I recall, the concrete was 6 inches thick and the whole
> thing was a mile in diameter.
>

Yeah, I'm going for a more practical size.  Something that would work well
at the size of modern airship balloons.
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