There was a strange atmosphere on the set because we were filming in this large house, which was used for troubled children. You'd go in and find walls had been burnt down. The building was charged with this history and it stayed with us throughout the filming.
“I don't know whether you have done your calculations but, about two or three years back, I did a first assessment of what the first successful device would be worth and it came out at about 300 trillion dollars.”