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10 things I know to be absolutely certain

July 17, 2023
MThomas

List 10 things you know to be absolutely certain.

1. I know it to be certain that the wording of this prompt is a bit odd. Is this meant to mean “know to be true”?

2. I know it to be absolutely certain that there are many things about which I am far from certain.

3. I also know it to be absolutely certain that at least one of the things I know to be certain will annoy at least one person who reads this.

4. I also also know it to be absolutely certain that at least one of the things to know to be certain will amuse at least one person.

5. One of these things I know to be absolutely certain may even irritate and amuse the same person (👈 maybe even this one right here).

6. I even know it to be absolutely certain that writing a list of ten things that are absolutely certain takes a considerably longer time than I had initially anticipated.

7. Just to be sure I irritate someone, it is absolutely certain that the world is a warmer place than it was when I was a kid 40 years ago.

8. The fact that June 2023 was the hottest month on record is absolutely certain.

9. I know it to be absolutely certain, however, that we have only been keeping records on temperatures worldwide since the late 1880s, and records were measured using different instruments

10. But the most important thing to be absolutely certain that I know is that Sony says they have the technology to make humanoid robots but can’t figure out what to use them for. I have an idea or two about that…

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…

In search of dark energy and dark matter

July 3, 2023
MThomas

A European-built orbital satellite was launched into space on Saturday from Florida on a mission to shed new light on dark energy and dark matter, the mysterious cosmic forces scientists say account for 95% of the known universe.
https://www.theguardian.com/science/2023/jul/01/euclid-telescope-lifts-off-in-search-of-the-secrets-of-dark-universe

Like the James Webb telescope, the Euclid will be positioned in a LaGrange point (L2, in this case), rather than in high Earth orbit.

If all goes well.

It’s interesting that the Guardian article says the telescope was “designed and built entirely by Esa,” although NASA supplied parts and its launching pad was made available and the telescope was launched using a SpaceX rocket. And ESA consists of nearly 2000 scientists from the US, Canada, and Japan as well as various European countries.

It’s a joint project. That’s how science should work in the first place.

(For more on dark matter, dark energy, gravity, and quantum mechanics, check this out.)

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…

A taste of Scientia

May 5, 2023
MThomas

The word has just come in that a fellow traveler has set up his own blog about science.

It’s called Science.

(In Latin, Scientia.)

Glen is a good friend of mine, and not only is he a good scientist, he’s also a good writer. His avowed goal is to raise science literacy and share his love of science with the world.

We may even steal posts from each other from time to time. Or photos (like the one above ⬆️🌏).

Check it out: https://scientiameansscience.blogspot.com

fMRI, GPT-1, and your brain

May 3, 2023
MThomas

Scientists have found a way to decode a stream of words in the brain using MRI scans and artificial intelligence.
https://www.npr.org/sections/health-shots/2023/05/01/1173045261/a-decoder-that-uses-brain-scans-to-know-what-you-mean-mostly

While not perfect, this is some seriously scary stuff.

FWIW the researchers themselves did recognize this…

Although it’s nowhere near being able to decode spontaneous thoughts in the real world, the advance raises concerns that, with improvement, the technology might mimic some type of mind reading. “Our thought when we actually had this working was, ‘Oh my God, this is kind of terrifying,’” Huth recalls.
https://www.science.org/content/article/scientists-use-ai-decipher-words-and-sentences-brain-scans

Participants have to consent to being “read,” and there are ways to prevent the software from figuring out even the “gist” of what they were thinking.

Still, imagine if some nefarious criminal group (or governmental agency, if there is a difference) decided to force someone to consent to have their thoughts read.

Long distance.

Permanently.

It’s getting harder and harder to distinguish scifi from reality.

Another day, another JAXA failure

April 12, 2023
MThomas

The bankruptcy filing by Richard Branson’s Virgin Orbit Holdings Inc (VORB.O) has dealt a blow to Japan’s hopes of building a domestic space industry, with plans for a Kyushu-based spaceport designed to attract tourism on hold for lack of funding.
https://www.reuters.com/business/aerospace-defense/virgin-orbit-bankruptcy-casts-shadow-over-japans-space-dreams-2023-04-07/

Granted, this news is from four or five days ago.

Still, it’s jarring to see TV news about JAXA and NASA doing “joint” explorations of Mars, and then see a constant failure of JAXA to do anything based in Japan.

Something is seriously wrong with this space agency. And I suspect it has nothing to do with the scientists or astronauts.

Researchers can now “see” you using WiFi

March 29, 2023
MThomas

Interestingly, they position this advancement as progress in privacy rights; “In addition, they protect individuals’ privacy and the required equipment can be bought at a reasonable price,” they wrote.
https://www.vice.com/en/article/y3p7xj/scientists-are-getting-eerily-good-at-using-wifi-to-see-people-through-walls-in-detail

If you’re not scared of tech yet, you should be.

Testing a flying taxi for Osaka 2025 Expo

March 15, 2023
MThomas

An air taxi service set to feature at the 2025 World Exposition in Osaka was tested in Osaka Castle Park on Tuesday, in what the prefectural government says is the first time in the country one of the craft has been piloted from the cockpit.
https://japantoday.com/category/tech/japan%27s-1st-piloted-flying-taxi-test-held-ahead-of-2025-world-expo?

The “taxi” they tested only fits one person. If the plan is to taxi visitors to the Expo back and forth between various artificial islands, I hope there are plans to test the actual three- to six-seaters.

And of course, there is always the “big challenges ahead are Japanese regulations and residents’ feelings” things. I wouldn’t be surprised if the first flying taxi to successfully taxi people around by air also becomes the first flying taxi to have a flying traffic accident.

(That’s what happened to Ohio City inventor James Lambert, who was testing an early gas-powered car when he hit a tree. Ireland claims to have an earlier accident, but it wasn’t a vehicle anything like a modern car.)

Another day, another rocket failure…

March 10, 2023
MThomas

With just over a minute to go before liftoff, a California aerospace startup opted to stand down from launching the world’s first 3D-printed rocket on its inaugural test flight.
https://www.nbcnews.com/science/space/worlds-first-3d-printed-rocket-set-make-inaugural-flight-rcna73868

At least unlike the spectacular self-destruction of JAXA’s H3 this past Tuesday (Monday, Japan time), the team testing the California rocket wisely decided that it’s not a bright idea to stick a billion dollar satellite on an untested rocket. Repeatedly.

I’m beginning to feel that using 3D printed parts may not be the way to go with rocket engines…

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