There are various arguments for the metaphysical impossibility of time travel. Is it impossible because objects could then be in two places at once? Or is it impossible because some objects could bring about their own existence? In this book, Nikk Effingham contends that no such argument is sound and that time travel is metaphysically possible. His main focus is on the Grandfather Paradox: the position that time travel is impossible because someone could not go back in time and kill their own grandfather before he met their grandmother. In such a case, Effingham argues that the time traveller would have the ability to do the impossible (so they could kill their grandfather) even though those impossibilities will never come about (so they won't kill their grandfather). He then explores the ramifications of this view, discussing issues in probability and decision theory. The book ends by laying out the dangers of time travel and why, even though no time machines currently exist, we should pay extra special care ensuring that nothing, no matter how small or microscopic, ever travels in time.

The topic of time travel provides tantalizing conundrums to consider for STEM experts and sci-fi creators alike. Most scientists and mathematicians agree that time travel by humans is probably impossible, yet they have not been able to offer conclusive proof. This book describes how the very nature of time remains a fascinating and complex subject, whether viewed from the perspective of Einstein's relativity or the nanoscale realm of quantum physics. Readers will recognize notable fictional works in literature, film, and television in which time travel serves as a useful plot device as well as a means of examining human history and contemporary social issues.

Best Books of 2016 BOSTON GLOBE * THE ATLANTIC From the acclaimed bestselling author of The Information and Chaos comes this enthralling history of time travel—a concept that has preoccupied physicists and storytellers over the course of the last century. James Gleick delivers a mind-bending exploration of time travel—from its origins in literature and science to its influence on our understanding of time itself. Gleick vividly explores physics, technology, philosophy, and art as each relates to time travel and tells the story of the concept's cultural evolutions—from H.G. Wells to Doctor Who, from Proust to Woody Allen. He takes a close look at the porous boundary between science fiction and modern physics, and, finally, delves into what it all means in our own moment in time—the world of the instantaneous, with its all-consuming present and vanishing future.

A brilliant light coming through Peoria's bedroom window startles her to a trembling state - suddenly she is lifted up into a portal and time-travels into the era 1847 England from 2019 America. She can't get anyone to believe her in England until she goes back to 2019 and brings back one of her published books to prove she indeed lives in another era. Her friend, Jetty holds her hand one night and goes with her to England - they get lost in time-travel and struggle to find their way back home.

In recent years numerous films, television series, comic books, graphic novels and video games have featured time travel narratives, with characters jumping backward, forward and laterally through time. No rules govern time travel in these stories. Some characters move by machine, some by magic, others by unexplained means. Sometime travelers can alter the timeline, while others are prevented from causing temporal aberrations. The fluid forms of imagined time travel have fascinated audiences and prompted debate since at least the 19th century. What is behind our fascination with time travel? What does it mean to be out of one's own era? How do different media tell these stories and what does this reveal about the media's relationship to time? This collection of new essays--the first to address time travel across a range of media--answers these questions by locating time travel narratives within their cultural, historical and philosophical contexts. Texts discussed include Doctor Who, The Terminator, The Georgian House, Save the Date, Back to the Future, Inception, Source Code and others.

Travel back in time with Doctor Who, the Terminator, the X-Men, and all your favorite time travelers! Science fiction is the perfect window into the possibilities and perils of time travel. What would happen if you went back in time and killed your own grandparent? If you knew how to stop a presidential assassination, would time travel allow you to make your wish come true? Can we use time travel as a tool to escape the destiny of our future or mistakes of the past? The Science of Time Travel explores time travel through your favorite science-fiction franchises, from the classic time travel paradoxes of Star Trek to the universe-crossing shenanigans of Doctor Who. Discover the real science behind questions such as: Can time travel really erase our past regrets like in A Christmas Carol? Is it worth killing people in the past to prevent a horrible future like in Terminator? What can we learn from living the same day over and over again like in Groundhog Day? Could time travel destroy our right to privacy like in Deja Vu? And so much more! It's time to fire up the DeLorean to 88 mph, jump into the TARDIS hiding in plain sight, or warp space with the USS Enterprise to explore what time travel means for us.

Explore the dark side of space in Out of this World, a new and exciting series for struggling readers. Is time travel possible? How do black holes theoretically support time travel? These and other fascinating questions are discussed in the Theory of Time Travel title using considerate text that is written at a higher maturity level with a lower reading level to engage struggling readers. A table of contents, glossary with simplified pronunciations, and index all enhance reading comprehension. Sidebars include hands-on experiments, spotlight biographies on women in science, tech connections, and far out facts.