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Time travel is possible – but only if you have an object with infinite mass

  • Written by Gaurav Khanna, Professor of Physics, University of Massachusetts Dartmouth
Time travel is possible – but only if you have an object with infinite massDr. Who used the this time machine, called the TARDIS, to travel through space and time on the BBC television show Dr. Who. Babbel1996 / Wikimedia Commons, CC BY-SA

The concept of time travel has always captured the imagination of physicists and laypersons alike. But is it really possible? Of course it is. We’re doing it right now,...

Read more: Time travel is possible – but only if you have an object with infinite mass

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Metropolitan republishes selected articles from The Conversation USA with permission

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