Perpetual motion is impossible, but Japan has managed the illusion of perpetual debt for 20 years. Perpetual motion--a machine which produces more than it consumes indefinitely, without any visible ...
James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果