Channel 4 news in the UK said 20-40 minutes per person, with the capsule having 90 minutes worth of oxygen in it. They showed the capsule - it wouldn't be a pl

Channel 4 news in the UK said 20-40 minutes per person, with the capsule having 90 minutes worth of oxygen in it. They showed the capsule - it wouldn't be a place I'd want to spend 40 minutes of my life. (Although, obviously, it's better than the alternative.)