this post was submitted on 09 Dec 2024
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Big brain tech dude got yet another clueless take over at HackerNews etc? Here's the place to vent. Orange site, VC foolishness, all welcome.

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The post Xitter web has spawned soo many “esoteric” right wing freaks, but there’s no appropriate sneer-space for them. I’m talking redscare-ish, reality challenged “culture critics” who write about everything but understand nothing. I’m talking about reply-guys who make the same 6 tweets about the same 3 subjects. They’re inescapable at this point, yet I don’t see them mocked (as much as they should be)

Like, there was one dude a while back who insisted that women couldn’t be surgeons because they didn’t believe in the moon or in stars? I think each and every one of these guys is uniquely fucked up and if I can’t escape them, I would love to sneer at them.

(Semi-obligatory thanks to @dgerard for starting this.)

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[–] sailor_sega_saturn@awful.systems 17 points 2 weeks ago* (last edited 2 weeks ago) (16 children)

Can we all take a moment to appreciate this absolutely wild take from Google's latest quantum press release (bolding mine) https://blog.google/technology/research/google-willow-quantum-chip/

Willow’s performance on this benchmark is astonishing: It performed a computation in under five minutes that would take one of today’s fastest supercomputers 10^25^ or 10 septillion years. If you want to write it out, it’s 10,000,000,000,000,000,000,000,000 years. This mind-boggling number exceeds known timescales in physics and vastly exceeds the age of the universe. It lends credence to the notion that quantum computation occurs in many parallel universes, in line with the idea that we live in a multiverse, a prediction first made by David Deutsch.

The more I think about it the stupider it gets. I'd love if someone with an actual physics background were to comment on it. But my layman take is it reads as nonsense to the point of being irresponsible scientific misinformation whether or not you believe in the many worlds interpretation.

[–] YourNetworkIsHaunted@awful.systems 4 points 2 weeks ago (4 children)

It reads to me like either they got lucky or encountered a measurement error somewhere, but the peer review notes from Nature don't show any call outs of obvious BS, though I don't have any real academic science experience, much less in the specific field of quantum computing.

Then again, this may not be too far beyond the predicted boundaries of what quantum computers are capable of and while the assumption that computation is happening in alternate dimensions seems like it would require quantum physicists to agree on a lot more about interpretation than they currently do the actual performance is probably triggering some false positives in my BS detector.

[–] sailor_sega_saturn@awful.systems 11 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

Maybe I'm being overzealous (I can do that sometimes).

But I don't understand why this particular experiment suggests the multiverse. The logic appears to be something like:

  1. This algorithm would take a gazillion years on a classical computer
  2. So maybe other worlds are helping with the compute cost!

But I don't understand this argument at all. The universe is quantum, not classical. So why do other worlds need to help with the compute? Why does this experiment suggest it in particular? Why does it make sense for computational costs to be amortized across different worlds if those worlds will then have to go on to do other different quantum calculations than ours? It feels like there's no "savings" anyway. Would a smaller quantum problem feasible to solve classically not imply a multiverse? If so, what exactly is the threshold?

[–] YourNetworkIsHaunted@awful.systems 5 points 2 weeks ago (1 children)

I mean, unrestricted skepticism is the appropriate response to any press release, especially coming out of silicon valley megacorps these days. But I agree that this doesn't seem like the kind of performance they're talking about wouldn't somehow require extra-dimensional communication and computation, whatever that would even mean.

[–] sailor_sega_saturn@awful.systems 6 points 2 weeks ago* (last edited 2 weeks ago)

I mean, unrestricted skepticism is the appropriate response to any press release, especially coming out of silicon valley megacorps these days.

Indeed, I've been involved in crafting a silicon valley megacorp press release before. I've seen how the sausage is made! (Mine was more or less factual or I wouldn't have put my name on it, but dear heavens a lot of wordsmithing goes into any official communication at megacorps)

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