<div dir="auto"><div class="gmail_quote" dir="auto"><div dir="ltr" class="gmail_attr">On Tue, Jan 2, 2024, 5:50 AM Jason Resch via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org">extropy-chat@lists.extropy.org</a>> wrote:</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div dir="auto">A civilization that uploads themselves to live for a million years in a virtual heaven could do so, and run for eons on a reversible computer which no one needs read. They have all their experiences within that computer, with no minimum amount of energy required to sustain it.</div></div></blockquote></div><div dir="auto"><br></div><div dir="auto">Where does the energy to run this come from? What happens when those in the computer wish to interact with this source, to make sure that energy flow - and thus, their existence - continues?</div><div dir="auto"><br></div><div dir="auto">Also, what happens when they interact with each other within the computer? If everything is reversible, then nothing is permanent: there can be no memory, no learning, that can not be taken away by undoing (simulated) time. Who decides what and when to reverse - and is their experience of having done so, itself reversed?</div><div class="gmail_quote" dir="auto"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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