The media need superheroes in science just as in every sphere of life, but there is really a continuous range of abilities with no clear dividing line.
Stephen HawkingThe development of full artificial intelligence could spell the end of the human race.
Stephen HawkingThere are no black holes - in the sense of regimes from which light can't escape to infinity. There are however apparent horizons which persist for a period of time.
Stephen Hawking