Found a thread where they discuss about it, they played with the glass and a ping pong ball: https://archive.ph/M7sle Video of the experiment: > Taikonauts teach class on water buoyancy in absence of gravity > https://www.youtube.com/watch?v=0qEzdxLls5k Mirror: > https://vid8.poal.co/user/AOU/IMM8XZT >