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Comment Not actually hard science fiction (Score 1) 36

A fun movie, but the movie wasn't in any way hard science fiction. I don't think there was any real science in it, other than the distances to various stars. It was hand-wavium from beginning to end.

But, heck, that's par for the course for film science fiction. If you try to find the science in "Dune" or "The Last Jedi", good luck.

Comment Source term for Einstein's field equation (Score 2) 46

in his actual papers on relativity mass does not "create gravitation." Energy, momentum and some off-diagonal terms like stress and pressure gravitate. There is no mass term in the stress-energy tensor

There most certainly is. Density-- mass per unit volume-- is the (0,0) term of the stress-energy tensor.

Comment Re:All for it, but would like to know the launch r (Score 2) 22

If the launch fails at a point where it is say 50 miles up, and the reactor has been turned on prior to launch.

The conops says that the reactor doesn't get turned on until after it's successfully placed in a high orbit.

A good feature of nuclear reactors is that they aren't dangerously radioactive until after you turn them on.

Comment Re:Bye bye Wikipedia (Score 2) 32

Here's a case of a very experienced journalist getting caught by including made-up quotes that had been hallucinated by the AI he'd used to summarize research information: https://www.theguardian.com/te...

Vandermeersch added: “It is particularly painful that I made precisely the mistake I have repeatedly warned colleagues about: these language models are so good that they produce irresistible quotes you are tempted to use as an author. Of course, I should have verified them. The necessary ‘human oversight’, which I consistently advocate, fell short.”

When even experienced journalists fail to find AI hallucinations, you really can't expect unpaid volunteers to do better.

Comment Re:Bye bye Wikipedia (Score 4, Insightful) 32

Wikipedia is choosing to die. There is a lot wrong with a lot of what people are doing with GenAI but it is also super useful.

Unfortunately, even the best LLMs sometimes make up information ("hallucinate"), and the stuff they make up is deliberately crafted to appear exactly like real information. This is simply unacceptable for an encyclopedia.

If Wikipedia were written by paid professionals, you could plausibly put in place protocols to check and verify, and fire the ones who fail to check properly, but even paid professionals have been seen to let hallucinations through. As it is, as an encyclopedia that it is put together by volunteers, forbidding AI is pretty much a forced choice.

https://www.evidentlyai.com/bl...
  https://arize.com/llm-hallucin...
  https://thisweekinsciencenews....

Comment Re:So this is about AI slop spam from clankers (Score 0) 75

You aren't that interesting either and yet you found a way to look interesting with sock puppet accounts, maybe they'll just do the same.

The problem is that a sock puppet uses an actual human to operate it, while bots run with little or no need for human effort. So a human can turn out a handful of posts with sock puppets, while bots can be churn out thousands and thousands of posts, swamping any system with slop.

Comment Re:Windows Explorer 11= terrible (Score 2) 166

I have the same issue on a couple of folders. There are some large exe files in there (downloaded installers) and the explorer window doesn't even show the directory contents for about 2-3 minutes. I'm only running Windows Defender, no 3rd party AV, so something in Windows is taking an absolute age to analyse those files *every time I view that folder*

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