Anderson's time-travel mystery, 'The Expert of Subtle Revisions,' explores the way history is affected by how it is told and ...

It's a monumental head-scratcher known as the 'grandfather paradox', but a few years ago physics student Germain Tobar, from the University of Queensland in Australia, worked out how to "square ...

NOVA: On that note, can you describe the "grandfather paradox?" Hear Sagan via RealAudio Sagan: The grandfather paradox is a very simple, science-fiction-based apparent inconsistency at the very ...

Anyone who's seen "Back to the Future" should surely be familiar with the grandfather paradox. In the movie, Michael J. Fox's Marty McFly travels back in time only for a younger version of his own ...

The Grandfather Paradox, a time-travel dilemma, is reexamined through quantum mechanics. ‘Orphan worlds’: The hidden process creating billions of starless planets NASA's PUNCH: How 4 suitcase ...

But it comes with serious consequences. The ‘grandfather paradox’ is a classic mind-bender—if you go back in time and prevent your own existence, who exactly stepped into the time machine in ...

A desperate father traverses through time to save his dying daughter, only to realize that the past holds its own secrets.

This would create a paradox since you never would have been born if your grandparents never met. You've prevented your later birth, so you shouldn't exist anymore. This is called the "Grandfather ...

This is how the grandfather paradox was first explained to me: Imagine a boy whose grandfather invented a time machine. The boy hates his grandfather and, in a fit of anger, uses the time machine ...