M Thomas Apple Author Page

Science fiction, actual science, history, and personal ranting about life, the universe, and everything

AI “loses its mind” when fed AI-created drivel

August 19, 2023
MThomas

Source: https://twitter.com/tomgoldsteincs/status/1677439914886176768 (@tomgoldsteincs)

In other words, without “fresh real data” — translation: original human work, as opposed to stuff spit out by AI — to feed the beast, we can expect its outputs to suffer drastically. When trained repeatedly on synthetic content, say the researchers, outlying, less-represented information at the outskirts of a model’s training data will start to disappear. The model will then start pulling from increasingly converging and less-varied data, and as a result, it’ll soon start to crumble into itself.

https://futurism.com/ai-trained-ai-generated-data

So, as more and more lazy people ask AI to “write” for them, the programs get less and less accurate…

Or, as the authors of the study conclude, “…without enough fresh real data in each generation of an autophagous loop, future generative models are doomed to have their quality (precision) or diversity (recall) progressively decrease.”

I.e., the use of AI-generated content to train AI doesn’t work, and since there is already way too much AI-generated garbage all over the internet, it’s almost impossible to sort out which is which when the AI-creators “scrape” data from the web.

So…

See, machines can’t replace us entirely — their brains will melt!

But then again, that might not be so hopeful after all. When AI takes over the world, maybe it won’t kill humans; perhaps it’ll just corral us into content farms… 

At least we won’t wind up as batteries.

Yet.

PS. I find it both hysterically amusing and disturbing that my blog program offers an “experimental AI assistant.” Granted, the program does let you know that AI-generated content accuracy is not guaranteed, but wth would I want to use AI for a personal blog? The whole purpose of a blog is to WRITE. AI-generated text is not writing. It is intellectual property theft.

Everybody I know needs it!

August 15, 2023
MThomas

If you were going to open up a shop, what would you sell?

OK, OK, in all seriousness, I would probably open a jazz café / restaurant. But only on the weekends.

We live at the foot of a mountain trail, and it’s really popular with retired folks and young families.

My wife and I have already begun thinking about our “second life” after retirement, and I’ve been frankly bored with the whole EFL teaching thing for a while now.

But pizza and the Duke? Yeah. That’d work.

The future looks like…

July 11, 2023
MThomas

What are you most excited about for the future?

I look forward to seeing whether the future looks more like WALL-E…

…or Star Trek…

…or maybe some combination thereof…

Synthetic human embryos – yeah, now *that’s* not controversial…

July 7, 2023
MThomas

The synthetic embryos – only days or weeks old – could help researchers study the earliest stages of human development and explain pregnancy loss. 

Nobody is currently suggesting growing them into a baby.

https://www.bbc.com/news/health-65914934

Well, that’s a relief….

This is the first time that has been achieved using human material. Although, they are not truly “synthetic”, as the starting material was cells cultured from a traditional embryo in the laboratory.

Great, but…

She has already developed synthetic mouse embryos with evidence of a developing brain and beating heart.

Come on, BBC. I think you can see where this is going…

Meanwhile, scientists in China have implanted synthetic monkey embryos into female monkeys – although, all the pregnancies failed.

Yep. Straight to the monkey house.

Seriously, did scientists actually think this was not going to cause a whole lot of people to get upset all over again?

Natural embryo (top), synthetic embryo (bottom). They look pretty similar…

This may indeed be a good way to study infertility causes and how embryos develop, but even the possibility of creating an embryo from a stem cell should have set off warning bells. 14-day limit or not, somebody’s going to get really tempted to do something else with them…

I’m thinking up all sorts of SciFi stories from this…

How I learned how NOT to carry a shoulder bag to work

July 2, 2023
MThomas

Have you ever had surgery? What for?

Yeah, minor surgery. On March 3, 2020, I had a benign tumor the size of a gum ball removed from my left shoulder.

It had been created by repeated rubbing of my shoulder bag strap on sweaty skin. Or rather on sweaty shirt over sweaty skin. I walk half an hour back and forth the train station to my workplace each morning and evening, and the summers in Kyoto are hot hot hot.

So there I was lying on a surgeon’s bed, getting my shoulder skin snipped into three pieces and pried open. My blood pressure shot up to 190 at one point. The surgeons told me to relax.

Uh. Yeah. They didn’t tell me how close the tumor was to a major artery, but I could make an educated guess.

There was a cloth screen between my face and my shoulder so that I couldn’t see what they were doing. And of course they had numbed the entire area and I couldn’t move my left arm at all.

But it was an unpleasant experience. No pain, but I could of course still hear the clip clip clipping of scissors on skin. And I have an imagination.

(Fwiw I have written a short story based on getting my wisdom teeth taken out—also with local rather than general anesthesia—though I didn’t include the factoid that my root tips shot across the room like tiny cannonballs and were never found again).

Fortunately, the surgery was successful— they even showed me the tumor (it looked like a tiny blancmange, and now you’ll have that image in your mind next time you eat one). They even asked me if if wanted to keep it (um, no thanks).

And afterwards the scar was barely visible, so good a job they did with the stitches.

Two days after the surgery, we went into lockdown and had to wear masks everywhere.

Talk about good timing.

And another post to which I forgot to add a title…

June 30, 2023
MThomas

In a few billion years, our aging Sun will run out of hydrogen fuel in its core and begin to swell, eventually engulfing Mercury, Venus, and probably Earth itself. Known as the red giant phase, this is a normal step in a mid-sized star’s life cycle, when it swells to hundreds of times its usual size. There are plenty of red giants in the night sky, but astronomers have never caught one in the act of swallowing its planets — until now.

https://www.astronomy.com/science/star-seen-swallowing-its-planet-whole/

Pack your stuff, folks…

The photo is an artist’s depiction btw. The article describes how the astronomer discovered that star was eating its own planet.

Chemical traces reveal first-generation stars

June 16, 2023
MThomas

The link below includes a night sky in Montana, which makes little sense when the researchers were in Beijing and Honolulu…

“The first-generation star we observed has the potential to become the oldest star we have ever seen,” said Alexander Heger, a professor in the school of physics and astronomy at Monash University in Australia who was part of the research team. “It probably had only lived for 2 1/2 million years and then exploded.”

https://www.nbcnews.com/science/space/chemical-traces-offer-evidence-universes-earliest-stars-rcna88790

Oh, and it also was discovered to be 260 times the size of our own Sun…just as theorized.

More importantly, this involved scientists from three different countries (China, Japan, and Australia), sharing information and working together for science.

Imagine if that spirit of cooperation could be extended into other domains…

Subaru, how about you?

Plume of water seen on Saturn’s moon

May 31, 2023
MThomas

The record-breaking plume reached nearly 6,000 miles into space – covering the distance between Ireland and Japan – and poured water into the void at an estimated rate of 300 litres a second.

https://www.theguardian.com/science/2023/may/30/astronomers-see-6000-mile-water-vapour-plume-blasting-from-saturn-moon

Note that the water jetted out into space nearly 40 times longer than the actual size of the moon (about 500 in diameter, or as the Gurdian puts it “500-mile-wide” for those who forgot the meaning of “diameter).

Enceladus is probably the best bet for life elsewhere in the solar system due to its water — and while whipping around Saturn once per day, which is likely the reason for underwater volcanos and other vents that may provide the proper chemistry for life.

Also the perfect place to trick an inexperienced asteroid hunter crew…

Only an hour to Manhattanhenge!

May 30, 2023
MThomas

Manhattanhenge, a portmanteau of “Manhattan” and “Stonehenge,” is a twice-a-year solar event when the sunset lines up directly with the city’s grid, casting golden rays down city streets. Several of the stones in Stonehenge, the prehistoric monument in Wiltshire, England, experience perfect alignment with the sun during the summer and winter solstices, which is why the event takes its name from the rock formation.

https://www.nbcnews.com/science/science-news/memroial-day-manhattanhenge-expected-light-new-york-city-streets-rcna86698

If you miss it today, don’t fret: it happens again in July during MLB’s All-Star Break.

And the next day after each “half-sun” event, you can still see the “full-sun” version. Anybody in NYC?

Betelgeuse! Betelgeuse! Betel…

May 26, 2023
MThomas

Betelgeuse, the closest red giant to Earth, has long been understood to move between brighter and dimmer in 400-day cycles. But from late 2019 to early 2020, it underwent what astrophysicists called “the great dimming”, as a dust cloud obscured our view of the star.

Now, it is glowing at 150% of its normal brightness, and is cycling between brighter and dimmer at 200-day intervals – twice as fast as usual…It is currently the seventh brightest star in the night sky – up three places from its usual tenth brightest.

https://www.theguardian.com/science/2023/may/26/its-new-territory’s-why-is-betelgeuse-is-glowing-so-brightly-and-behaving-so-strangely?

Betelgeuse is the closet red giant Star to our solar system, one of the shoulders of the Greek constellation of Orion.

The cultural information in the linked article was actually more interesting than the phenomenon observed. For instance, the fact that an Aboriginal people in Australia saw it long before the Greeks did was something I didn’t know.

(Although ancient humans in what is now Germany apparently carved an image of it around 32,000 years ago…)

And that the Greek name comes originally from the Arabic “bat al-jawzāʾ” meaning “giant’s shoulder.”

And all three cultures saw the star as connected with fire held by a giant hunter of some sort.

And so have ancient Babylonians, Egyptians, and probably everyone else, too. We just can’t help personifying even the stars.

The kicker?

When it does eventually explode, it could – over the course of a week – grow so bright that it will be visible during daylight, and cast shadows at night.

Now that’s something I’d like to be around to see. Hmm. If only I could manage to live for another 10- to 100,000 years…

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