Beneath the soaring ceiling of the hangar where the Hughes H-4 Hercules (“the Spruce Goose”) was built in Playa Vista, an academic experiment is under way. Nearly 10 miles south of Westwood, amid largely uncompleted or unoccupied high-tech office buildings, a trio of off-campus architecture studios is assaying chunks of the future. Will buildings become kinetic? Will people travel in pneumatic tubes? Will Los Angeles become Shenzhen?