It is not the only technology with a surprisingly long history. Rail gun projects start from scratch, make good progress, hit snags, fail, and go down the memory hole. Then the next rail gun project starts from scratch...
So I'm intrigued that there is a book
https://www.simonandschuster.co.uk/books/SAM/Jonathan-Waldman/9781501140594 documenting the trials and tribulations of one project. Perhaps progress here will be cumulative?
try 0 points 3.7 years ago
Robots lay STREET brick roads very well. check out some on internet.
not the ones that use cheap chinese humans to sort the bricks into machine
https://www.youtube.com/watch?v=GIhttsAM5YQ
but the fully automated ones
I guess no lawsuits from street municipal brick failures.
its always about the (((lawsuits))) and (((patents)))