Meanwhile, scientists in Brazil led an international charge for research into the Walk Again project, which took eight paraplegics and did extensive research using VR headsets, exoskeleton suits and robot aids for walking. Three years after announcing the project, all started to regain the sense of touch and movement below their injury site. The work will continue.

If you want to learn more about the ISS competition for 3D printing, that's here. And the smell-o-vision Ubisoft Nosulus Rift is here. As always, please share any interesting tech or science videos you find by using the #ICYMI hashtag on Twitter for @mskerryd.