from EndTime Headlines:
Google’s quantum computing breakthrough on Monday has left the physicist who heads the project a believer in ‘the idea that we live in a multiverse.’
‘Willow,’ the tech giant’s new quantum chip, solved a complex computational problem that would have taken today’s best super-computers an estimated 10 septillion years to solve it — vastly more than the age of our entire universe.
But Google said its new quantum computer solved the puzzle ‘in under five minutes.’
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Calling Willow’s performance ‘astonishing,’ the leader and founder of Google Quantum AI team, physicist Hartmut Neven, said its high-speed result ‘lends credence to the notion that quantum computation occurs in many parallel universes.’
Neven credited Oxford University physicist David Deutsch for proposing the theory that the successful development of quantum computing would, in effect, affirm the ‘many worlds interpretation’ of quantum mechanics and the existence of a multiverse.
Starting in the 1970s, Deutsch, in fact, had walked backward into becoming a pioneer in the field of quantum computing, less out of interest in the technology itself than his desire to test the multiverse theory.
Astrophysicist turned science writer Ethan Siegel blasted Google over the claim, accusing them of ‘conflating unrelated concepts, which Neven also ought to know.’
‘Neven has conflated the notion of a quantum mechanical Hilbert space, which is an infinite-dimensional mathematical space where quantum mechanical wavefunctions “live,” with the notion of parallel universes and a multiverse,’ Siegel argued Friday.
In Siegel’s view, neither leading interpretation of parallel universes or a multiverse would be supported by a successful quantum computer.
In one version, many parallel universes exist out in deep-deep space, vast distances away from our own and possibly the product of their own Big Bangs.
In another, every action in our universe creates a fork in space-time, leading to in infinitude of timelines each hold one of an infinitude of parallel worlds.
‘You can have quantum mechanics work just fine, both physically and mathematically, without introducing even one parallel universe,’ Siegel wrote in his essay for Big Think, ‘much less an infinite number of them.’
Nevertheless, Siegel noted that he was impressed by the stunning technological achievement of Google’s results with Willow, which he called ‘a truly excellent step forward in the world of quantum computation.’
At the very least, the search engine giant’s breakthrough quantum computer could likely help humanity craft its own new world, helping scientists number-crunch their way to solutions to some of Earth’s most vexing problems.
‘This includes helping us discover new medicines, designing more efficient batteries for electric cars, and accelerating progress in fusion and new energy alternatives,’ Neven explained in a Google blog post.
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