Video chat with ISS astonauts at last week's UCL Festival of Engineering. Not mentioned in the video, but the square devices on the side are Astrobee robots. Several UCLC academics contributed to the machine vision and navigation elements for these UAVs.
https://www.youtube.com/watch?v=oMnm_9eVNS8

Astrobee paper: https://ntrs.nasa.gov/api/citations/20190027521/downloads/20190027521.pdf