Dr. Jonathan Jiang dreams of beaming an easy-to-read message into space before civilization collapses. He’s run the simulations to test humanity’s self-destruction rate. According to his computers, there’s a 0.1 percent chance that humanity destroys itself in the not-so-distant future. He’s even more pessimistic than Stephen Hawking, who bowed out of public life saying, “I don’t think we will survive another 1,000 years without escaping beyond our fragile planet.