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It's not about vacuum being weightless. It's about vacuum being an active stress factor for the entire construction. It will _want_ to collapse. It's not sitti
by crististm 14y ago
It's not about vacuum being weightless. It's about vacuum being an active stress factor for the entire construction.
It will _want_ to collapse. It's not sitting there doing nothing.
- redwood 14y agoWell I was responding to a specific poster who focused on a different issue. Steel tubes can easily withstand a vacuum... a round tube is an extremely strong structure. Sure the joints between pieces would be the harder part, especially with earthquakes and the like forcing flexibility.
- gdubs 14y agoWouldn't they put the vacuum tube inside of a slightly larger tube?