This is when there’s no one below. I can hear them. Dry and reading theirs to sleep. I don’t have to feel too far to prick the fear around us hours and hours. This baby’s coming. He’s not. I can see his hair says Mara. Then Kristen uses her fingers. Catheter. (When?) Wait don’t push now.
The infeasibility of the H-bomb approach was published by four postgraduate physics students in 2011  and then reported by The Daily Telegraph in 2012: