Any arguments for time travel back in time (the past)?

pallidin

One possible scenario which "might" permit this would be such that the "travel back" demands "observable only" with no possible actual interaction.
Just my thoughts...

pallidin	Any arguments for time travel back in time (the past)? One possible scenario which "might" permit this would be such that the "travel back" demands "observable only" with no possible actual interaction. Just my thoughts...