M Thomas Apple Author Page

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

“Beaver Moon” lunar eclipse, if you can stay awake long enough…

November 25, 2020
MThomas

Visible from the Americas, Australia and Asia, the “Beaver Moon” will pass through Earth’s outer shadow (penumbra) at 07:32 Universal Time, causing a slight penumbral lunar eclipse that will see 83% of the Moon visibly darken at 9:42 Universal Time…

https://www.forbes.com/sites/jamiecartereurope/2020/11/22/the-moon-meets-mars-and-the-seven-sister-stars-what-you-can-see-in-the-night-sky-this-week/?utm_medium=40digest.intl.carousel&utm_source=email&utm_content=&utm_campaign=campaign&sh=292a554e7c36

OK, I give up. “Universal Time”?

Continue Reading

Similarities between the human brain and galaxies

November 19, 2020
MThomas

…the team’s results suggest that, while the physical processes that drive the structure of the Universe and the structure of the human brain are extremely different, they can result in similar levels of complexity and self-organisation…

https://www.sciencealert.com/wildly-fun-new-paper-compares-the-human-brain-to-the-structure-of-the-universe?fbclid=IwAR1YjxGSpnNrJbgqRMs6_XNrRjiuloJ792UjzfT3L5NmVEEYxljyVcS4TQ8

As above, so below…

And you thought living on Earth in 2020 was bad…

November 7, 2020
MThomas

On the scorching hot planet, hundreds of light-years away, oceans are made of molten lava, winds reach supersonic speeds and rain is made of rocks. Scientists have referred to the bizarre, hellish exoplanet as one of the most “extreme” ever discovered. 

https://www.cbsnews.com/news/astronomers-discover-hell-planet-k2-141b-rock-rain-lava-oceans/?ftag=CNM-00-10aab6a&linkId=103730808&fbclid=IwAR2W9JqL9gjnrBTJeZ4bMbV4XsnqO_1kScgP0GLq7eYbq__0bDtmqcbH4BM

I think we may have seen this kind of planet before…

Yep, that’s it.

Wishing our base away…water on the Moon?

October 26, 2020
MThomas

The new research is especially topical given that NASA plans to land humans on the Moon in the 2020s and use lunar resources as part of its Artemis program, prompting thorny discussions about legal and ethical extraction of materials on the Moon.

https://www.vice.com/en/article/k7aqpz/nasa-found-a-lot-of-water-on-the-moon-in-breakthrough-for-human-habitation

“Micro cold traps.” The equivalent of a 12-ounce bottle in a cubic meter of soil. But not everywhere, and primarily at the polar caps.

So…how will this help, exactly? 🤔

“I can’t believe we pulled this thing off.”

October 21, 2020
MThomas

“The spacecraft did everything it was supposed to do.”

https://www.theguardian.com/science/2020/oct/21/nasa-osiris-rex-spacecraft-lands-on-asteroid-bennu-in-mission-to-collect-dust

Um. OK. That’s some confidence in your own project you got there, dude.

Now all we have to do is wait a couple of weeks to find out if it actually grabbed anything!

Hey, Bennu, gimme a “High-Five”!

October 20, 2020
MThomas

Why are 3D objects always compared to the Empire State Building?

Researchers understand it to be what they call a carbonaceous asteroid, meaning its rocks still retain a lot of the chemistry that was present when the Sun and the planets came into being more than 4.5 billion years ago. Hence the desire to bring some of its material home for analysis in sophisticated Earth laboratories.

https://www.bbc.com/news/science-environment-54592163

If it’s a spinning top, I don’t see how showing it in comparison to the Eiffel Tower will help us understand how big it is…

Then again, usually media compare things like this to a football field (US) or a football pitch (UK). Or they say things like “as long as [insert type of moving vehicle here] end to end.”

Honestly, just say “510 m3” and leave it at that. All we care about is what the probe will do: Vacuum up and bring back at least 60g of materials from the beginning of the solar system.

Now how about THAT, Hayabusa-2?

OK, granted, this is not related to Bennu. And we’re not dragging an asteroid back “in the 2020s” just yet, Spectrum. But it’s still neat. https://spectrum.ieee.org/automaton/robotics/space-robots/heres-how-nasa-will-grab-an-asteroid

Is teleporting a death sentence?

October 15, 2020
MThomas

“Beam us down, Mr. O’Brien! No, wait, I didn’t meaaaannnnnnnnn……”

Some would argue that having one’s “molecules scrambled,” as Dr. McCoy would put it, is actually the surest way to die. Sure, after you’ve been taken apart by the transporter, you’re put back together somewhere else, good as new. But is it still you on the other side, or is it a copy? If the latter, does that mean the transporter is a suicide box?

https://arstechnica.com/gaming/2017/09/is-beaming-down-in-star-trek-a-death-sentence/

An old article (2017, whose impetus was the imminent release of ST: Discovery) but a good one.

Is the copy of you, you? Or is it a brand new person with the same memories? Would it have ANY memories? Would it have the same consciousness? (Or ANY consciousness?)

Of course, you can always stick to the “David Brin Theory” of teleportation: “Some dude in the future will figure this all out.”

Lazy writers!

(This is why, in my novel, I stick to quantum teleportation of inanimate objects only. That includes quantum communication relays, chunks of asteroids…miniature nuclear bombs…you know, “realistic” things like that.)

And, yes, quantum teleportation is real. Just very, very tiny. For now.

PK Dick wrote fiction…or did he?

September 26, 2020
MThomas

“But decoding and storing memories raise a new set of ethical, moral and legal questions. For instance, who would own these memories after a person has died? Could the police obtain warrants to search through memories? Given that memory itself isn’t completely reliable, could memories be used in lawsuits? How could we ensure that unscrupulous professionals don’t sell or share them?”

Hm, I think I can see another direction this might eventually take…

https://www.nbcnews.com/think/opinion/computer-chips-can-read-our-brains-have-moved-sci-fi-ncna1239575

Tech visionaries are needed. Scientists are more important.

September 1, 2020
MThomas

I get the attraction of people like Steve Jobs and Elon Musk. They have big ideas. They’re enthusiastic, ecstatic, even. They’re great at simplifying difficult concepts and promoting tech to the lay person.

But they’re not creators. They’re “visionaries.”

I.e., salespersons.

Is that a bad thing? Of course not. I was in computer sales once. It was hard. Only the charismatic are good at it. But I didn’t have the knowledge and ability to make the products I was selling, let alone the power to innovate.

Sticking a chip in a person’s brain and sending thousands to the Moon or Mars sound cool. Possible, even.

But science isn’t sales. Someone might die.

Small difference.

We need visionaries, but scientists are more important. Maybe if they talked to each other…

https://www.bbc.com/news/technology-53987919

Where are your nuclear wessels?

August 11, 2020
MThomas

nuclearrockets

Astronauts on a trip to Mars would be exposed to very high levels of radiation which can cause serious long-term health problems such as cancer and sterility. Radiation shielding can help, but it is extremely heavy, and the longer the mission, the more shielding is needed. A better way to reduce radiation exposure is to simply get where you are going quicker.

Hmm. So putting them in a ship with a giant nuclear fission reactor is safer?

I think somebody may want to come up with a backup plan…

BZsV.gif

https://www.space.com/nuclear-powered-rockets-to-explore-solar-system.html

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