[ExI] vaccuum balloon in freon

[Adrian Tymes]

On Thu, Jun 13, 2024 at 9:49 AM <spike at rainier66.com> wrote:

> As a demonstration, he could float a pre-buoyant version of his idea in
> gaseous halocarbon C318:
>

Nice idea, but that would probably be more work and far more expense than
just making one that floats in normal air.

Setting up the vat itself would cost well over $100,000, right?  That would
make it more expensive.
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