Viewers of the movie Waterworld can imagine a future with cities that float on the oceans. Israeli naval architect Gil Wang and three colleagues have devised a smart, economical way to build urban suburbs on water. Their Modular Floating Structures (MFS) project is now a Technion Ph.D. program.
https://www.fromthegrapevine.com/nature/modular-floating-structure-gil-wang-haifa-cities-suburb