Australasian Science: Australia's authority on science since 1938
Dr Who Meets Professor Heisenberg
A space-time structure exhibiting closed time-like curves. Here a wormhole connects two points at the same location in space (horizontal) but at different times (vertical). A quantum particle travelling on such a path might interact with its older self.
By Martin Ringbauer
Researchers have simulated in the laboratory how quantum particles could overcome the “grandfather paradox” of time travel.
To view this article subscribe or purchase a yearly pass here.
