Over the past five years students in some parts of the world have been greeted in their classrooms by teachers who appear to have come off the set of a George Lucas movie.
Robots have been teaching classes in Japan, South Korea and Abu Dhabi.
Throughout the world humans in various jobs are being replaced by robots at an ever-accelerating pace. The question for many people is whether their work will disappear with the rise of the machines.
Most think not.