Time travel and parallel timelines

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Time travel and parallel timelines

The Conversation

The Conversation

Feet on footpath reflection Credit Marc-Olivier Jodoin on Unsplash
Consistency paradoxes don’t merely imply time travel is a dangerous endeavour, they imply it simply cannot be possible [Image: Marc-Olivier Jodoin on Unsplash]

PHYSICS

The idea of time travel is an intriguing notion and one which science fiction has long explored. Barak Shoshany discusses the problems inherent in trying to make this a reality

Building a time machine seems to require exotic matter, which is matter with negative energy Have you ever made a mistake that you wish you could