Will mankind leave Earth - Stephen Hawking warns..
Our days on Earth are numbered, according to Professor Stephen Hawking.The world-famous physicist has previously issued warnings to the world that robots could wipe out humanity and that leaving Earth is our only hope.Now, in a new book, 'How to Make a Spaceship', the physicist has warned our planet is becoming a dangerous place because of the threat of war or disease.The book, written by journalist Julian Guthrie, contains an afterword by the physicist.In an extract published in The Guardian, Professor Hawking describes his views on the future of space travel.
Our days on Earth are numbered, according to Professor Stephen Hawking.The world-famous physicist has previously issued warnings to the world that robots could wipe out humanity and that leaving Earth is our only hope.Now, in a new book, 'How to Make a Spaceship', the physicist has warned our planet is becoming a dangerous place because of the threat of war or disease.The book, written by journalist Julian Guthrie, contains an afterword by the physicist.In an extract published in The Guardian, Professor Hawking describes his views on the future of space travel.
