May 5th, 2010


Stephen Hawking: How to build a time machine

"I do believe in time travel," says Stephen Hawking. "Time travel to the future, not the past" (which would violate causation). After dismissing wormholes (don't last long enough) and black holes (dangerous, too far away), he settles for travelling at near the speed of light by going into space. "At 99 per cent of the speed of light, a single day on board is a whole year of Earth time. Our ship would be truly flying into the future." (Source:
  • Current Mood
    amused amused