“ The reason to believe that chronology protection operates is that when space-time is warped enough to make travel into the past possible, virtual particles moving on closed loops in space-time can become real particles traveling forward in time at or below the speed of light. ”
Stephen Hawking, A Brief History of Time (1988). copy citation
Author | Stephen Hawking |
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Source | A Brief History of Time |
Topic | protection speed |
Date | 1988 |
Language | English |
Reference | |
Note | |
Weblink | https://archive.org/stream/ABriefHistoryOfTimeByStephenHawking/A%20Brief... |