A man named Sergei Ponomarenko appeared in Kyiv in 2006, claiming he had traveled from 1932 to 2050. His outdated clothing, a ...
The grandfather paradox is just one of the thorny logical problems that arise with the concept of time travel. But one physicist says he has resolved them.
The Why Files on MSN2d
The Time Traveler who Vanished | The Sergei Ponomarenko StoryThe UFO Time Traveler who Disappeared Without a Trace On April 23rd, 2006, a man in his early 20s was seen in Kyiv, Ukraine ...
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