Christopher Nolan is freaking me out. “There’s a pretty simple argument mathematically for saying the world will end in nuclear Armageddon simply because that’s a possibility,” he’s calmly explaining. “Over an infinite timeline, it’s going to happen at some point.” It’s hard to dispute Nolan’s logic that civilization will one day vaporize, but as he tops off his mug of Earl Grey tea from a small kettle on the table in front of him, he hits a slightly more hopeful note.