ASCE (American Society opf Civil Engineering) has an annual Concrete Canoe Competition. (https://www.asce.org/communities/student-members/conferences...)

Reminds me of "pykrete" which was also a potential construction material for ships (notably aircraft carriers) proposed during WWII:

https://en.wikipedia.org/wiki/Pykrete

Interestingly concrete yachts are a thing. Ferro-cement is the term, but it is just reinforced concrete. You can buy very large yachts for small amounts of money with yachts made this way in the 70s.

Insurance can be tricky for no really good reason

Was this created by AI and not proofread or created by a human and not proofread? The paragraph relating to the Musgraves taking over a factory is repeated and it reads rather oddly.

Anyway, regardless of that nitpick, it was an interesting read.

You could do that today for cargodrone boats sintering or epoxy glueing beachsand?