On 18 Mar 2014, at 22:33, LizR wrote: > Am I right in assuming that in a quantum mechanical universe you can > trace the history backwards? >
Absolutely not because in Quantum mechanics 2 very different states can evolve into the exact same state. John K Clark -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.

