From New Scientist:
Every time you make a choice, you spawn a multitude of universes, leading to umpteen other yous – some of them living very different lives. This raises a myriad of moral conundrums, from what we owe our other selves to the death of hope.
Yes, an astounding claim is stated as a simple fact, not subject to question. But then the typical New Scientist reader probably wouldn’t think of questioning it anyway. It’s just so hot, so cool, so now, so me, so you, so whatever.
Now here is an interesting admission:
If the multiverse is real, on the other hand, there always will be a universe in which “you” are alive, no matter how long you play. What’s more, you might always end up in it, thanks to the exalted status of the “observer” in quantum mechanics. You would just hear a series of clicks as the gun failed to fire every time – and realise you’re immortal. But be warned: even if you can get hold of a quantum gun, physicists have long argued about how this most decisive of experiments would actually work out.
So, in short, the multiverse is an end times for nihilits where anything, everything, and nothing all really happens or doesn’t.
For a quick primer on the new pop multiverse, see The Science Fictions series at your fingertips (cosmology).
Also: If you ever doubted that popular culture loves the multiverse … So we need to believe in a multiverse just to consider the possible effects of our actions?
The main thing to see here is that the only plausible evidence basis that could create a basis for a faint hope for a multiverse just got discredited. (Planck satellite data says that big BICEP2 cosmic inflation multiverse was just dust.)
So now the hype is all about how believing in a multiverse is somehow an advantage.
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