<div dir="ltr"><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000000">If you think it's according to your will, just try to make one 'face' stay the same. You cannot. It's as if your brain gets tired of seeing it one way and without your permission changes to the other 'face' as forward. </div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000000"><br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000000">The reality: two overlapping squares. The perception: a cube. The perception is not predictable from the reality, just like any other optical illusion. There is no cube there, not anything 3 D. Yet our perceptions are very strong. bill w</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Mar 21, 2022 at 1:14 PM Brent Allsop via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org">extropy-chat@lists.extropy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Not sure what you are trying to get at.<div>You can control which side is closest to you, in all the images in the <a href="https://www.newworldencyclopedia.org/entry/Necker_cube#:~:text=The%20Necker%20cube%20is%20an,perspectives%20of%20the%20object%20represented." target="_blank">Wikipedia article</a>.</div><div>When you switch between these two interpretations, there must be some 3D structure, represented in your brain, which is that 3D knowledge, and which is changes, according to your will, right?</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Mar 21, 2022 at 11:27 AM William Flynn Wallace via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org" target="_blank">extropy-chat@lists.extropy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;font-size:large;color:rgb(0,0,0)">The point: you cannot predict from the physical dimensions of the Necker cube that it will create the reversals and 3D effect you see. bill w</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Mar 21, 2022 at 12:20 PM Brent Allsop via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org" target="_blank">extropy-chat@lists.extropy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><br><div>How does it not?? Our knowledge of the necker cube, drawn on a flat piece of paper, can switch back and forth between 2 different 3D representations.</div><div>It is critically important to <a href="https://canonizer.com/videos/consciousness/?chapter=differentiate_reality_knowledge" target="_blank">distinguish between reality and knowledge of reality</a>.</div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Mar 21, 2022 at 10:34 AM William Flynn Wallace via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org" target="_blank">extropy-chat@lists.extropy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:"comic sans ms",sans-serif;font-size:large;color:rgb(0,0,0)">The physical properties of the Necker cube do not explain the perceptions we get from it. <a href="https://www.google.com/search" target="_blank">https://www.google.com/search</a>? bill w</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Mar 19, 2022 at 3:24 PM Dave S via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org" target="_blank">extropy-chat@lists.extropy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><font face="arial, sans-serif">On Sat, Mar 19, 2022 at 3:59 PM William Flynn Wallace via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org" target="_blank">extropy-chat@lists.extropy.org</a>> wrote:<br></font></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div style="color:rgb(0,0,0)"><font face="arial, sans-serif">Much of our experience consists of realities that we create. Think of tastes: music, food, fashion.</font></div></div></blockquote><div><br></div><div>You're talking about opinions, not physical properties like mass, location, velocity, color, density, etc. Physical properties aren't dependent upon perception. A million people could say that an object weighs 1 pound, but that doesn't affect the actual weight of the object.</div><div><br></div><div>-Dave</div></div></div>
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