Time travel has long lived in the realm of fantasy, but a growing body of research is quietly shifting it into a serious scientific conversation. Instead of DeLorean-style leaps into the past, ...
Can humans actually travel through time, or is it just science fiction? In this intriguing discussion, Anil Chaturvedi ...
Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a misunderstanding of work by physicists Albert Einstein and Nathan Rosen. In 1935, ...
Cosmic strings are artifacts of what the universe looked like in the moments before it rapidly changed from a high-energy to low-energy environment—the Big Bang. Today, scientists believe cosmic ...
Contents -- Acknowledgments -- Preface -- Dreaming of time travel -- Time travel to the future -- Time travel to the past -- Time travel and the beginning of the Universe -- Report from the future -- ...