M Thomas Apple Author Page

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

The spacecraft-killing anomaly over South America

October 6, 2021
MThomas

Over the years, the SAA has been responsible for several spacecraft failures and even dictates when astronauts can and can’t perform spacewalks. As the space around Earth becomes filled with an increasing number of craft, what does the SAA mean for the future of spaceflight?

https://astronomy.com/news/2021/02/hidden-spaceflight-danger-the-south-atlantic-anomaly?utm_source=asyfb&utm_medium=social&utm_campaign=asyfb&fbclid=IwAR1LeNgz7Eynvjw3_AmU232xwz9WbJpSMOmid7NTEE9qm4VxYpdcNmVDc8Q

This post is from back in February 2021, but I just stumbled across it this morning and thought it was an interesting read.

Learn something new every day!

This part caught my eye…

Radiation is a colorless, tasteless, and odorless enemy…

…and I couldn’t help thinking…

Iocaine powder?!?

It’s okay. I’m immune 😂

Anyway, the article linked above is food for thought. Whenever electronic objects pass through the SAA, which is where the loops of the Van Allen Belt dip perilously close to the Earth, the electronics get a massive amount of radiation and go haywire.

Seriously expensive to shield stuff up there — and as more and more satellites (and people) go up, so does the risk.

AstroCrete…a “blood-curdling” building technique for Mars

September 18, 2021
MThomas

The blood, sweat, and tears of pioneering astronauts could literally turn Mars regolith into building materials.

First, however, they’d need to get the 3D printers there…

https://www.republicworld.com/technology-news/science/astronaut-biocomposite-materials-could-grow-successful-settlements-on-mars-study.html

Crap, I did it again

July 16, 2021
MThomas

Man, I did it again.

I forgot to post the next chapter of Bringer of Light.

Also the next one after that. And the one after that.

It’s been a very tiring summer so far.

(For starters, we STILL don’t have enough Pfizer or Moderna vaccines, doses are get wasted left and right as the elderly randomly cancel reservations and the bureaucratic pinheads in charge refuse to give them to others, and several students at my school went out drinking and guess what happened…)

I haven’t even posted any science news lately.

But I promise that I’ll make up for it. Soon.

In the meantime, here’s a neat little article about some wild theories of the universe, starting with the Brane Universe and the Big Splat.

Yeah. I thought you might like that one.

https://www.livescience.com/strange-theories-about-the-universe.html?utm_campaign=socialflow

Destination: Red Planet

June 27, 2021
MThomas

Like other nations, China “regards Mars exploration as the preferred destination for deep space exploration,” Wang said.

https://abcnews.go.com/amp/Technology/china-unveils-ambitious-roadmap-human-mars-exploration/

China’s plan calls for setting up a permanently occupied base and a fleet of interplanetary craft. Probably it’s a good idea to first see whether it can meet its goal of landing people on Mars in 2033.

Of course, China is “willing to join hands with our counterparts and partners all over the world,” but it’s unlikely NASA, JAXA, ESA, and the UAE and other countries not named Russia will “cooperate.”

The next space race is here. Just wait until multinats actually decide asteroid mining is worth the risk and expense.

mRNA and nanotech? Stay skeptical and use the Baloney Detection Kit!

June 25, 2021
MThomas

It’s becoming increasingly common to see social media posts claiming that the mRNA COVID-19 vaccines, which include those made by Pfizer and Moderna, could alter a person’s DNA. Some posts even suggest that nano-machines are being injected into the body.

https://cosmosmagazine.com/health/covid/technically-no-longer-human-can-mrna-covid-19-vaccines-meld-with-your-dna/

Yeah, I’ve seen some of these posts. Talked to a neighbor who was convinced Bill Gates was trying to inject us all with a chip to control our minds.

Is there any truth to these rumours? Could an mRNA vaccine be modifying your DNA?

No.

(Read the linked Cosmos article for more details!)

Actually, all you need to do is use logic and reasoning, apply some critical thinking, and demand lots of science-based evidence.

It’s called the Baloney Detection Kit and was introduced in a Cornell University undergraduate course about critical thinking and the scientific method by astrophysicist Carl Sagan.

In his book The Demon-haunted World, he lays out nine steps to bust BS and call out unscientific baloney. I use it with my second year undergrad students in a current news and global issues course.

The link above to the kit also outlines some of the most important logical fallacies to avoid, with number 8 and 9 being the most difficult to explain and convince people about (because they involve education about basic statistics).

So will this convince anti-vaxxers who make outlandish claims online?

Probably not. Unless it goes viral 😉.

Ion engines are no longer sci-fi

June 19, 2021
MThomas

The inclusion of an ion propulsion system in a long-running, Earth-orbiting space station will give researchers a chance to test out the tech while astronauts are still close to home — and if it works as hoped, it could one day ferry explorers to Mars and even more distant destinations.

https://www.freethink.com/articles/ion-propulsion

That’s a big “if.”

Another is what the price will be, since no doubt this neat new tech won’t easily be shared among nation-states.

Just yesterday Chinese astronauts entered their new space station for the first time. They weren’t allowed into the ISS. Now they don’t need the ISS.

The old rivalries will follow humanity into space…but for how long will the rivalries remain…

Squids…In…Space….!

June 6, 2021
MThomas

OK, yeah, squid doesn’t have a plural, but come on, can’t you just hear “Miss Squiddy”? 🦑 (Reference lost on younger viewers.)

The 128 baby bobtail squid will be used as part of research into the effects of spaceflight on beneficial interactions between microbes and animals.

https://www.bbc.com/news/science-environment-57339989

So why use squid instead of dogs, chimps, or other mammals?

The squid have an immune system which is similar to that of humans.

Ah.

And their distinct lack of a spine makes them similar to most politicians, too. Very helpful for finding out what might happen if we decide to…

Nah.

China doesn’t care about the rest of the world — except when the rest of the world criticizes it

May 4, 2021
MThomas

“When they did that design, they should have stopped and thought, ‘you know, that’s going to leave a big chunk of debris in orbit, we should change the design of the engine’,” McDowell says. “But they didn’t. This is real negligence.”

https://www.inverse.com/science/long-march-5b-uncontrolled-reentry

Four years ago, China’s first space station landed in the Pacific Ocean between Australia and Chile, after an uncontrolled reentry. China didn’t care.

Last year, pieces from a Long March 5B rocket landed in Cote d’Ivoire. They damaged buildings in two villages. China didn’t care.

This launch of the same rocket design could land anywhere from New York to New Zealand, covering a wide range of habitation. China doesn’t care.

On the other hand, once somebody in their government reads about the criticism by the scientific community, they’ll petulantly whine that this often happened in the 1960s, so that makes it OK for them to ignore rocket safety designs known for the past 30 years.

Maybe it’s technology they haven’t yet stolen from other countries.

As the self-acknowledged center of the known universe, the Middle Kingdom only cares what others think of it. Like a spoiled child that thinks it knows everything but fears it does not, China only reacts to its own mistakes by lashing out at others and disclaiming responsibility.

If you want to be respected as a superpower, you need to learn how to respect other countries and stop dumping your trash on them. Respect is not given, it is earned. China has done little to earn any respect by the scientific community.

Maybe there is Hope, after all

February 10, 2021
MThomas

Congratulations, UAE! The Hope Probe (al-Amal) successfully entered Mars orbit on February 9th.

Made in the US (Boulder, Colorado) and the United Arab Emirates (Dubai) and launched from Japan, it shows what hat can be accomplished through international cooperation instead of competition.

Maybe it is truly Hope, after all, and not just for Arab states.

Nature

CNN

BBC News

Magnetic reconnection plasma thruster: Not too fast, not too slow, juuuust right

February 4, 2021
MThomas

A crewed mission to Mars may be more practical thanks to a new rocket concept developed by Fatima Ebrahimi, a physicist at the US Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL), that uses magnetic fields to generate thrust.

https://newatlas.com/space/magnetic-reconnection-rocket-thruster-concept-spaceflight-mars/

Looks good so far…

…although it’s just a computer simulation right now and the magnetic thruster model hasn’t even been built yet.

Ah, well, just repurpose an existing ion thruster, right?

Hmm. I’m not a rocket scientist, but.. 🚀

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