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“Synthetic fuel”? We’ve heard this before…

February 6, 2023
MThomas

Not too terribly helpful if you can’t read Japanese, but you can probably figure out which is water and which is “radical water.”

From 11 to 17 January, the Demonstration Business Promotion Team Osaka along with Sustainable Energy Inc. ran trials on a synthetic fuel produced from water and carbon dioxide present in the air. If successful, this could become the first carbon-based and truly carbon-neutral fuel of its kind.
https://soranews24.com/2023/02/02/synthetic-fossil-fuels-made-from-light-water-and-co2-in-the-air-tested-in-osaka/

So basically this company in Osaka did some water 💧 experiments with “radical water” (water whose molecules were subjected to a kind of electrolysis⚡️ to ionize them), then a “seed fuel” (a fossil fuel like kerosene) was added to create synthetic fuel ⛽️ which in turn will create more CO2 that can be used to create more synthetic fuel.

And no, I didn’t have to insert goofy 😜 icons, but I’m on the train right now 🚊 so why not. 😝

Anyway, this all just sounds too good to be true. Surely it’s prohibitively expensive 💴 to constantly electrify water to the point where its unbound electrons can be available to bind with synthetic fuel electrons. Tidal 🌊 generators, wind 💨 turbines, solar sun ☀️ panels, and thermal heat from volcanos 🌋 all seem more likely a source of electricity to power EVs. 🚗

At any rate, there’s been nothing in the news 📰 about this, so I doubt the experiments worked. Or if they did, someone has a vested interest in continuing Japan’s reliance on Middle Eastern, Indonesian, and Russian fossil fuels.

OK I arrived, so I can stop it with the icons 🛑 ✋ for now.

🖖

Look! Up in the sky! It’s a bird! It’s an airplane! It’s…

February 4, 2023
MThomas

A Japanese telescope positioned on top of Mauna Kea, a dormant volcano on the Big Island of Hawaii, captured video of an eerie flying spiral in the night sky on Jan. 18.

In the video, a small bright spot appears and slowly gets brighter and starts to dissipate into a spiral before getting small again and disappearing.
https://www.yahoo.com/entertainment/japanese-telescope-captures-image-mysterious-180332172.html

In fact, it was the remains of a discarded Falcon 9 booster from the launch of a SpaceX satellite. And it isn’t the first time this has happened. Japanese TV talked about this, too (since it was a Japanese astronomy, at the Subaru Telescope, that first recorded it).

So, an Identified Flying Object!

Yay, more metallic junk.

(Thanks to Glen Hill for bringing this article to my attention.)

“Green comet” buzzing Earth “Wednesday”

February 1, 2023
MThomas

A comet from the outer solar system is set to buzz Earth on Wednesday and skywatchers have a chance to glimpse the celestial object as it journeys through our cosmic neighborhood for the first time in 50,000 years.
https://www.nbcnews.com/science/space/green-comet-approach-flyby-earth-rcna65202

If by “Wednesday” you mean “Wednesday in North America. There is no “on Wednesday” worldwide, thanks.

Observers in the Northern Hemisphere should look northeast just after the Moon sets and before dawn. You should be able to see it with a good pair of binoculars.

The last time Comet C/2022 E3 (ZTF) made a visit, Homo sapiens still had Neanderthal neighbors, so this is your one and only! ☄️

“It clearly was not Cowboy Bebop”

January 30, 2023
MThomas

It started with a scene in a casino, which made it very tough for me to continue. I stopped there and so only saw that opening scene.
https://soranews24.com/2023/01/28/cowboy-bebop-anime-creator-was-disappointed-with-the-netflix-version-from-the-first-scene-he-saw/

Well, I managed to watch the first two episodes, but I really couldn’t continue after that.

Watanabe is right. Netflix screwed up by doing what all US-based companies do when they try to make scifi: they focus on the violence and forget about the ambiance.

But as he says at the end of the interview, “The value of the original anime is somehow far higher now.”

(Read the original interview in its entirety here, if you can stomach the political pop-ups.)

“Don’t worry,” they said, “the size of a truck,” they said…

January 26, 2023
MThomas

An asteroid is on its way to Earth, but don’t worry – the end is here Not here. The asteroid, named 2023 BU, is about the size of a van and is expected to miss our planet during Thursday’s flyby. However, according to a NASA scientist, it will be “one of the closest approaches of a known near-Earth object ever recorded.”
https://newsbeezer.com/germanyeng/a-truck-sized-asteroid-will-come-extraordinarily-close-to-earth-tomorrow/

This thing is coming closer than even some satellites, but it’s still small enough for most of it to burn up in the atmosphere.

Most of it.

Yikes.

Confirmed: We’re all here thanks to asteroids

January 26, 2023
MThomas

Since the Hayabusa2 returned with the sample from the Ryugu asteroid in December 2020, several important discoveries have been made – most notably analyzes confirming the presence of substances thought to be the building blocks of life on the asteroid, such as liquid water and organics fabrics.
https://newsbeezer.com/germanyeng/ryugu-asteroid-helps-unravel-the-origin-of-life-on-earth/

Hayabusa-2 took several years to land on Ryugu (literally “Dragon Palace”), pound out just over 5 grams of asteroid material, and bring it back to Earth (landing in Australia in late 2020).

NASA scientists have confirmed not just frozen water but liquid — inside crystals called pyrrhotites. JAXA scientists (pictured above with Prof Tsuchiyama of Ritsumeikan University, my main employer!) continue to check the density of the samples.

The water is similar to the carbon dioxide-laden water of hot springs. The research teams have already discovered over 20 amino acids, the basic protein building blocks of carbon-based life.

Another theory called “panspermia” proposes that a key mineral (boron) missing on early Earth came in an asteroid from Mars. ☄️ Hmm. Did Mars produce asteroids? Or more like asteroids hit Mars and broke off lots of tiny fragments? That somehow survived the journey to Earth?

Seems a little unlikely. But there is now evidence that at least some proteins came from space rocks.

So, sorry, Ridley. This isn’t how it happened. Cool movie, though.

Turn off the lights, and you’ll be seeing stars!

January 25, 2023
MThomas

A new study that analyzes data from more than 50,000 amateur stargazers finds that artificial lighting is making the night sky about 10% brighter each year.
https://www.nbcnews.com/science/space/twinkle-twinkle-fading-stars-hiding-brighter-skies-rcna66692

Each spring in my Current Events and Global Issues class, I have students read about environmental issues.

Pollution is obviously related. But they almost never guess the “seven types of pollution” (yes, I know some people country eight, or ten, or even twelve…it all depends on how you categorize them).

They never consider Light Pollution.

Maybe it’s because most of my students (to the order of 90%) come from medium and large cities. To me, having grown up in a mostly rural area (in elementary school, my town had about 400 residents and in junior and senior high I lived in a “queen village” that had — gasp — an incredible 4,000 residents) — well, being surrounded by darkness was no big deal.

We could see stars from our backyard. Lots of stars. We learned all the major constellations (of the Northern Hemisphere, anyway, since that’s what we could see).

And more importantly we could see lightning bugs (or “fireflies” or “glowworms” or “candle bugs” etc). Decreasing water quality is thought to contribute to their declining numbers, but it’s far more likely that our insistence on lighting up the skies all the time are preventing them from finding a mate (hence the reason they “flicker” at night).

Turn off the lights!

What are you afraid of?

What is this “Cislunar” space?

January 24, 2023
MThomas

Though definitions sometimes differ, cislunar space generally refers to the space between Earth and the moon, including the moon’s surface and orbit. Any nation or entity that aims to establish a presence on the moon, or has ambitions to explore deeper into the solar system, has a vested interest in operating in cislunar space, either with communication and navigation satellites or outposts that serve as way stations between Earth and the moon.
https://www.nbcnews.com/science/space/space-earth-moon-get-little-crowded-rcna64333

There is actually a limited amount of orbital space available between the Earth and the Moon (note: capitalize it, NBC! grrr..).

So, expect more and more competition for satellites — communication, navigation, and way stations.

And of course military and spy stations.

And by the way, only eight nations signed the so-called “Artemis Accords” in 2020. Guess who didn’t?

Buckle up!

That’s what I want: A tall building with frickin’ laser beams on top!

January 17, 2023
MThomas

The feat, which involved firing powerful laser pulses at thunderclouds over several months last year, paves the way for laser-based lightning protection systems at airports, launchpads and tall buildings.
https://www.theguardian.com/science/2023/jan/16/scientists-steer-lightning-bolts-with-lasers-for-the-first-time

Probably a little cost-prohibitive for most of us, but potentially useful for others!

Webb finds rocky Earth-sized planet

January 13, 2023
MThomas

The finding demonstrates how the observatory could be used to search for potentially habitable planets in the cosmos and examine the chemical makeup of their atmospheres.
https://www.nbcnews.com/science/space/james-webb-telescope-finds-first-exoplanet-rcna65374

LHS 475b is 41 light years away, orbiting a red dwarf star in the Octans constellation (one of a few “modern” constellations only seen in the deep southern hemisphere).

Webb can even detect the presence of atmospheres, though given LHS475b has an orbit of two days and is a “few hundred degrees warmer than Earth,” it’s unlikely it’ll find much with this exoplanet.

Still, it’s a first. The first of many, I hope.

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