“ It says that even if space-time is warped so that it would be possible to travel into the past, what happens in space-time must be a consistent solution of the laws of physics. ”
Stephen Hawking, A Brief History of Time (1988). copy citation
| Author | Stephen Hawking |
|---|---|
| Source | A Brief History of Time |
| Topic | solution travel |
| Date | 1988 |
| Language | English |
| Reference | |
| Note | |
| Weblink | https://archive.org/stream/ABriefHistoryOfTimeByStephenHawking/A%20Brief... |
