On 2/8/2016 1:40 AM, Sven Littkowski wrote:
> When we speak or even think about such things, we must not do this by
> imaging the materials we are using today. I agree, the bigger an object,
> the more fragile it is.

I didn't mean so much the substances used in the construction of the 
habitat. Rather, that it's hard to keep a long cylinder from wobbling 
out of control.


Mike

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