Topic: SCIENCE - on June 18, 2005 at 12:54:00 PM CEST
New model 'permits time travel'
If you went back in time and met your teenage parents, you could not split them up and prevent your birth - even if you wanted to, a new quantum model has stated.
Researchers speculate that time travel can occur within a kind of feedback loop where backwards movement is possible, but only in a way that is "complementary" to the present.
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