Bear with us for a second, but do you know the Belinda Carlisle song “Heaven is a Place on Earth”? It’s actually scientifically accurate. American public intellectual Michael Shermer says that any idea of the afterlife makes zero sense: your mind and therefore your memories are beholden to your body and that any version of you that made it into heaven, should there actually be one, would just be a copy of you and unable to register that they were actually in heaven. Likewise, should you be able to scan your brain and “live forever” by being uploaded to a body in the future, it still wouldn’t be you, just a copy. Confused? The explanation makes more sense from the mouth of Shermer himself… writing the theory behind multiple you’s living in various timelines gets a little too Back to the Future… another sweet ’80s reference if we do say so ourselves.
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Michael Shermer: Well, Heavens on Earth was something of an extension of my previous books, I have not covered the afterlife in any kind of detail from my previous books on the paranormal, the supernatural, religion, God, morality—and so this was sort of a natural extension of “well if you’re skeptical of all these other things what about the afterlife?” and my standard one liner is: “I’m for it.”
But the fact that I’m for it doesn’t make it true, in fact if anything the more passionately we want something to be true the more skeptical we should be of our own beliefs because we know how powerful these cognitive biases are to lead us to want to find evidence for what we already want to be true.
So I really kind of went in search of just all the standard religious theories of the afterlife and heaven. I go through the big three monotheisms, Judaism, Christianity and Islam, and right there all of them have a history in the sense of all the different versions that there are of the afterlife and heaven and they’re quite different histories than say if you read a history of cosmology, which sort of shows a progression from the ancients through the scientific revolution, through the early modern period all the way up to today of us getting closer and closer to an understanding of the real nature of the cosmos.
But there’s nothing like that in religious histories of the afterlife, they’re all scattershot: this theory, this theory; there’s no sense of progress.
So that alone tells us that these are culturally determined, geographically located. like reincarnation, the belief that we come back in this world, our souls somehow migrate into other bodies: Why do they seem to hover all those souls in this subcontinent of India? There’s very few other places around the world where the souls seem to go. That’s an indication that these things are not real out there in the real world sense but real inside people’s heads as determined by their cultures.
But the core of Heavens on Earth really is the scientific search for the afterlife. And so this is what I do science writing and research and scientific areas, believe it or not this is no longer a fringe idea, this idea that we could live forever.
There are scientists today who say that the first person to live 1000 years is alive today. Okay I’m skeptical, but still these aren’t fringe nuts, these are billionaires like Peter Thiel, Jeff Bezos of Amazon, the Google guys Larry and Sergey have invested hundreds of millions of dollars in this company Calico, Ray Kurzweil is their chief engineer who believes in the singularity. So this whole idea of radical life extension, cryonics, trans humanism, the singularity, “we’re going to upload our minds into a computer,” these form the core center of my book and why I’m skeptical, why really all of us should be skeptical.
Because first, although it’s not impossible that these researchers and scientists are wrong, it’s just very unlikely, because the problems of say duplicating your soul whatever that would be, in science that would be your pattern of information—your genome—and then the equivalent of that, your “connect-ome,” that is the tracings of all your memories everything that’s you, this is their theory, you copy it and you upload it into a computer.
Let’s say you have it backed up every night when you die, you just put it into a clone or inside a computer or something like that. That’s the idea. And I think the underestimation of the complexity of the problem is orders of magnitude off. We are not even close to doing anything like this. I mean Ray Kurzweil projects 2040 is the singularity and after that we might be able to live forever.
How is that going to happen, and who is the we? So then I have a chapter on “Who are we? Who are you? What does it mean to be you?”