What If on MSN
Imagine if you met a time traveler
In 1998, a gentleman by the name of John Titor arrived from the future, or so he said. In his timeline, as he claimed, ...
Modern Engineering Marvels on MSNOpinion
The physics behind time travel’s self-destruction
In the past, physicist Stephen Hawking has hosted a champagne party for time travelers with balloons and hors d’oeuvres.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback