At 07:32 PM 12/10/98 -0800, Eric Ruud wrote:
>Supposing somewhere far in the future humanity (or possibly even some other
>intelligent life form) develops time travel.
>They might, however, be able to upload personalities into a computer at the
>moment of death, thusly not changing anything in that reality.
My own THE DREAMING DRAGONS used a version of this notion back in 1980.
Damien Broderick