We can change the past?
Well, according to some at the BBC. From Philip Ball: Only a handful of physicists and philosophers have embraced retrocausality. Most consider backwards causality “too high a price to swallow”, says Wharton. But he feels that we only resist this idea because we are not used to seeing it in daily life. “The view that the past does not depend on the future is largely anthropocentric,” says Wharton. “We should take apparent backwards causation more seriously than we usually do. Our intuition has been wrong before, and this time symmetry on quantum scales is a reason to think we could be wrong again.” If time’s arrow is not quite as one-way as it seems, that raises one last question: why Read More ›