> but we still don't have a robot that can take out the trash.

Pneumatic waste collection is a thing, and has been for quite some time.

See

- https://www.wired.com/2010/08/trash-sucking-island/

- https://untappedcities.com/2020/04/09/inside-roosevelt-islan...

- https://qz.com/1909600/the-future-of-garbage-collection-is-p...