From 'The Philistines' episode...'Major Tom'

'“Why is he floating?” Young asked. “Did the plating malfunction?”
Young stared at the moving images on the wall of Willy’s dorm-pod. This was another one of Willy’s old “music videos”. The trio had the day off. Eddie, as usual, went off to hit the local party scene without the others.
“They didn’t have gravity plating back then...this was pre- Collapse, the A-C-M papers wouldn’t be published for decades. This was the largest of the old Earth stations. People in orbit just floated around like it was nothing.'