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Moisture interactions are usually a key consideration for nearly all building materials, but it doesn't seem to be considered here at all. They mentioned space

Moisture interactions are usually a key consideration for nearly all building materials, but it doesn't seem to be considered here at all. They mentioned space a lot, but there's not a lot of water in space... What structural component is this meant to replace? It's called a "slab" but I can't see it being used to replace a concrete slab; even if it were stainless, I recall from that 1000-year house discussion that ground contact corrodes metal quite quickly.

Youden 5y ago
If you look at the "last structural material" slide (close to the middle of the page), there's a table showing different industries and potential components it could replace. As for moisture, this is stainless steel, so it's inherently fairly corrosion-resistant, though I'm sure there might need to be mitigations put in place (e.g. a coat of paint or sealant at the edges) in some applications. I guess the ends might need to be plugged to protect the copper.