to deliver its stuff. marc cieslak�*s been finding out more about its future plans with nasa's dr christleohnson. and liftoff of artemis i. the artemis moon mission signalled nasa's continued commitment to space exploration. what recent technological advances do you think make a sustainable settlement on mars a realistic proposition? oh, my goodness. so, we've had improvements in communication. we've had a demonstration of the laser communications relay from the international space station. so, laser communication is going to make the pipeline you can get send a whole lot more data. there's also been quite a bit of investment in al and virtual reality. people think that the gaming technology is just for gaming, but no. so, imagine, if we're going to have people living on mars, you're going to have to have a way to really be able to assess what's happening inside the body, without carrying an mri with you there.