trending #science posts on Hive

[Anime] Sparks of Tomorrow and the debate Skepticism x Faith

gwajnberg — Fri, 02 Oct 2026 21:00:45 GMT

![image.png](https://files.peakd.com/file/peakd-hive/gwajnberg/23xpAyiikMfV9PKLqnnB1qEToGDoCAyon7pMixD2ehMDrfTqKPuCprz7om51DXoh1qyZQ.png) _{Poster from The Movie Database}

I started looking for a new anime to hook me in, and I came across the not-so-old "Sparks of Tomorrow" on Netflix; it is one of the newly licensed anime from the streaming company. It started in July, but the last episode became available only at the end of last month! I could watch all 13 episodes without needing to stop, thankfully! I started to watch,h and the last episodes were still being released. So I will be frank that I almost stopped watching in the beginning, but in the end the experience was good.

![image.png](https://files.peakd.com/file/peakd-hive/gwajnberg/23w2j6ii4tWsMsMfw45rhpmbpSBW8gDADS85KzXHbxuYLXWGr2QrBbC9U9WaWLB7Xiote.png)

_{Kahichi and Inako bringing the balance of skepticism and faith.[Screenshot available at The Movie DB]}

The anime has great visuals with interesting colors that amaze you;d, it is unique. The anime is focused on the city of Kyoto, and despite being an animation, you feel the landscapes of the city in the beginning of the Meiji Era, the beginning of the XX century! But it is an alternate story where the main power is based on steam, which keeps the city covered in haze all the time. What made me almost escape from the anime was the "villain" Yosuke; he was a very exaggerated character, too flamboyant and crazy.

The anime is about this kid called Kihachi, a genius from a young age, who is basically a scientist; his brother always stimulated his genius, and he helped sketch some inventions based on his creativity as a kid. His older brother, Seroku, just continued what Kihachi started as a kid's idea to make the 20th Century Electrical Catalog, a book with ideas about electrical devices that would change the world. Seroku died in the war, and the catalog got lost with him. Yosuke wants to get his hands on the catalog while Kihachi tries to create devices that are in the catalog. Kihachi meets Inako, a very faithful and religious girl who believes a lot in Kihachi.

The anime plays a lot between skepticism of Kihachi and the blind faith of Inako to find a balance between both. In one of the episodes, he creates a supposed device that connects two couples,s making them fall in love. In the end,d Kihachi shows that the device had an electrical problem and it wasn't even connected to work, so basically the results were all a placebo effect. That type of idea was interesting to bring into an anime. In another episode, he creates a telephone in order to make a widow supposedly talk with her dead husband, but in reality there was another person on the other side of the telephone pretending to be him, and they did this to cheer up the widow that couldn't leave the room. In this case,e they used science to pretend something supernatural in order to heal a broken heart.

![image.png](https://files.peakd.com/file/peakd-hive/gwajnberg/23vsUkx8WEHXKyfyHMQLXjsmSrioBEyrnW62Bxm3Jdwi5LUMcMSWb2EhvqQE6WZwqgXxo.png)

_{The handsome and obsessive Yosuke trying to recover the lost Seroku at all costs. [Screenshot available at The Movie DB]}

The end of the anime is a bit catastrophic: it's the end of Yosuke's obsessive dreams of having Seroku back through a computer-like device, ice but cute thinking on Inako and Kihara getting closer brings the balance to each other, bringing motivation to each other to try to accomplish their own dreams. It is a cute ending, and I like the way they brought skepticism and faith together.

[![](https://files.peakd.com/file/peakd-hive/gwajnberg/23wMS5Mk5RaoA6EdKv35TPtYzT2oppCtUWD6qwC5GUBMb877AgJ5rGzJeoTew2bGQJQWZ.png)](https://vote.hive.uno/@gwajnberg) _{Banner created in canva}

![image.png](https://files.peakd.com/file/peakd-hive/gwajnberg/23u5tR8RSXuZFgpjQ6Eiqz8JMMjig1nLZFvxM1sFhvNmiGYA2snkPD7Z4TnmFxxRyih87.png)

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My 31 CFR 515 monitor updated smoothly, and I added a second one for the Sept. 30-born 31 CFR 516

limonta — Sat, 03 Oct 2026 03:53:15 GMT

A live test, at last. There is no better trial for the tools I have built over the past months than a real change in the regulations I follow as a researcher of U.S. policy toward Cuba.

This week OFAC made substantive amendments to the Cuban Assets Control Regulations (CACR), the rules in force since 1963 through which it administers the core of the comprehensive sanctions on the island (Federal Register, Sept. 30, 2026). I wanted to confirm that my update mechanism could handle that change, and it did. The monitoring service, a Node server, noticed that the Federal Register had published the amendments before eCFR reflected them, and it kept that gap visible in the interface. Then eCFR activated the changes at around 6:30 pm on October 1. The server downloaded the modified sections from the eCFR API on its own, cached them, and added them to my local archive.

The part that made it interesting: a new Part

The same day, OFAC created the Cuba Sanctions Regulations (CSR), now codified at 31 CFR Part 516 (Federal Register notice). They implement Executive Order 14404, which OFAC reproduces as an appendix to the new part. The regulations are published in abbreviated form, are separate from Part 515, and OFAC says it intends to supplement them later.

This is a different problem from amending a section. On September 30, Part 516 did not exist in eCFR, and it will not appear in an annual CFR edition until next year. I could not simply reuse my Part 515 logic of calling the eCFR API, because there was nothing to call yet. So the tracker needed two phases behind one interface.

Phase 1: read the Federal Register. The server downloads the official XML of the publication (91 FR 61748, document 2026-19977) and converts every section into the same DIV8 structure that eCFR uses. The frontend parses it exactly as it parses an eCFR section, so the page does not know the difference. One detail cost me some attention: in the XML, Appendix A (the Executive Order) sits inside the last section element, § 516.513. If you do not cut it out, the order shows up as part of that section.

// The appendix header arrives inside the last SECTION (§ 516.513):
// everything after it belongs to the appendix, not to the section.
const cut = kids.findIndex(k => k.type === 'tag' && k.name.toUpperCase() === 'HD'
    && /^Appendix\b/i.test(tidyText($(k).text())));
const secNodes = cut >= 0 ? kids.slice(0, cut) : kids;

Phase 2: hand over to eCFR. While the server is in Phase 1, it asks the eCFR versions API every 30 minutes whether Part 516 has any sections. If the answer is empty, it keeps serving the Federal Register copy. When sections appear, it downloads the whole part in a single call, replaces the Federal Register snapshots with eCFR's, rebuilds the index, and switches its source flag. After that, it checks every four hours for later amendments. The original XML stays on disk as an untouched record of the publication.

const resp = await axios.get(
    `${ECFR_API_BASE}/versions/title-31.json?subtitle=B&chapter=V&part=${PART}`,
    { ...FR_UA_HEADERS, timeout: 30000, validateStatus: s => s < 500 });
cv = (resp.status === 200 && resp.data && Array.isArray(resp.data.content_versions))
    ? resp.data.content_versions : [];
// ... keep only entries whose part is '516' ...
if (ids.length === 0) {
    state.ecfr.hasPart = false;
    saveState();
    return false;   // not in eCFR yet: keep serving the Federal Register copy
}
// ... otherwise download the full part at its latest version date
// and set state.source = 'ecfr'

const ms = state.source === 'ecfr' ? SETTLED_CHECK_MS : PENDING_CHECK_MS; // 4 h : 30 min

The page follows the server. A small polling loop compares a key made of the current source, the version hash, and the number of pending documents. When the key changes, the open view reloads itself, index and section included, so I do not have to refresh anything.

const key = `${st.source}|${st.versionKey || ''}|${(st.pendingDocs || []).length}`;
const changed = _status516Key !== null && key !== _status516Key;

The interface now has one tab for Part 515 and one for Part 516. The 516 tab shows where the text currently comes from (Federal Register or eCFR), links to the official PDF, and lists any later Federal Register documents that eCFR has not consolidated yet. When eCFR took over, the source label changed with it.

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Today's Prayer Points — Wisdom for Science, Technology & Exploration

thinkinginhim — Fri, 02 Oct 2026 23:02:09 GMT

Today's Prayer Points
Wisdom for Science, Technology & Exploration

For scientists to pursue truth with humility and care for creation.
For wisdom in how technology shapes our homes and daily choices.
For exploration that honors human dignity and the Creator's glory.

[ENG/ESP] Science as a compass and engine of sustainable development

tonyes — Fri, 02 Oct 2026 09:00:03 GMT

When the international community adopted the 2030 Agenda and its 17 Sustainable Development Goals (SDGs) in 2015, it charted an ambitious roadmap to eradicate poverty, protect the planet, and ensure prosperity. However, a map without tools is merely a drawing. Science, in its broadest sense, provides the indispensable instruments needed to navigate that path. Far from being an academic luxury, scientific knowledge is today a prerequisite for achieving the goals we have set for ourselves as a species.

source

The role of science in the SDGs extends beyond technological innovation. Its primary contribution is epistemological: it enables us to measure, monitor, and understand reality. Without reliable data on carbon emissions, deforestation rates, multidimensional poverty indices, or antimicrobial resistance, governments would be navigating blindly. Science provides the observation systems—such as satellites, sensors, and statistical surveys—that transform complex problems into actionable indicators. Without this empirical foundation, the SDGs would be nothing more than rhetorical statements with no possibility of accountability.

Secondly, science acts as a generator of solutions. SDG 2 (Zero Hunger) relies on drought-resistant crop varieties and experimentally validated agroecological practices. SDG 3 (health and well-being) relies on vaccines, early diagnostics, and epidemiological models. SDG 7 (affordable and clean energy) requires more efficient solar panels, storage batteries, and smart grids. SDG 13 (climate action) demands carbon capture, renewable energy, and evidence-based adaptation. In each case, basic and applied research drives progress.

However, science must also be self-critical. Not all innovation is sustainable by definition. History shows that technological advances can create new problems—such as pollution, inequality, or dependency—if developed without a systemic perspective. Therefore, the role of science encompasses impact assessment, the precautionary principle, and the pursuit of solutions that are not only efficient but also just and equitable. The SDGs are integrated in nature: social justice cannot be achieved without environmental sustainability, nor vice versa. Science must operate according to that same logic of interconnectedness.

source

A third essential role is the democratization of knowledge. For science to serve the SDGs, it cannot remain confined to elite laboratories. It must translate into public policy, civic education, and technology accessible to rural or vulnerable communities. Open science, technology transfer, and international cooperation are key mechanisms. Without equitable access to knowledge, the SDGs would merely reproduce the very gaps they aim to close. Finally, I must say that science offers a fundamental virtue: the humility to learn and correct course. The SDGs are dynamic goals in a changing world. The COVID-19 pandemic demonstrated that science can generate rapid responses, but also that misinformation and inequality hinder their implementation. The lesson is clear: we need more science—better communicated and more integrated into decision-making.

source

A final comment

The role of science in achieving the SDGs is threefold: it is a beacon that illuminates problems, an engine that generates solutions, and a bridge connecting knowledge with collective action. However, science does not operate in a vacuum.

It requires political will, sustained funding, ethics, and social participation. The SDGs will not be achieved through laboratories alone, but neither can they be achieved without them. Ultimately, science is the compass that guides us and the fuel that drives the transition toward a more just and habitable future. To ignore it would be to abandon the very possibility of truly sustainable development.

Note: I used the DeepL translator.

ESPAÑOL

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A WELL CAMOUFLAGED CONEHEAD MANTIS

borjan — Wed, 30 Sep 2026 13:12:03 GMT

The scientific name of the species is Empusa pennata. The mantis shown in the photographs I prepared today is a nymph, a young, wingless individual that will undergo a bit of change before reaching its definitive adult stage. At this stage, the colors of these mantises can be very different from nymph to nymph. They can come in different shades of gray and brown, or be like the one shown here: partially pink and partially olive green. Some nymphs are pale pink, others are so pale gray that they appear almost white. Some are in the shade of brown that borders on vivid red. Empusa pennata is probably one of the most spectacular, strange-looking insects here in my area.
You'll see only one nymph in today's post, but you'll see it in many photographs, in quite a few poses, and lit in different ways.
I was using a Canon EOS 350D camera, a 100 mm macro lens, and a ring-shaped flash in most of these shots.
Have a good viewing.

(Enlargeable)

THAT'S ALL FOR TODAY. HOPE YOU LIKE MANTISSES. AS ALWAYS HERE ON HIVE, THE PHOTOGRAPHS ARE MY WORK.

The union of biology and machine.

rebe.torres12 — Fri, 02 Oct 2026 15:41:27 GMT

The union of biology and machine.

![image.png](https://cdn.steemitimages.com/DQmSd9RaiZhq4Jc6dgWNX52fPSY51fXpwxnY2DLocW8h419/image.png)
https://cdn.steemitimages.com/DQmcM9vDyChXWWfaBhnqxXD5scZn7pnHcZrWiwyZ8HMwmbX/separador%201.png

A group of researchers attempted to connect brain tissue to computers in an experiment dubbed "Brainoware." At the heart of the system lay a brain organoid derived from human cells; however, instead of being transplanted into an animal, it was placed onto an electrode array. Through these electrodes, a computer could send electrical stimuli to the tissue and record how its neurons responded.

On one side was conventional electronics; on the other, a network of living human neurons. Yet, simply exchanging signals was not the primary goal; the researchers sought to discover something far more intriguing: could this tissue participate in computation? To test this, they used something unexpected—human voices. Recordings of people pronouncing Japanese sounds were converted into electrical stimulation patterns and sent to the organoid. Each input triggered a response in the neural network, which the computer recorded and used to attempt to identify the speaker.

Performance was initially limited, but during training, the organoid's responses and functional connectivity evolved, improving its performance in the speech recognition task. The researchers also used the system to predict a nonlinear dynamic equation. This does not imply that a tiny brain inside the machine was learning Japanese—there is no evidence the organoid understood the meaning of those sounds. Rather, the researchers were exploring something far more fundamental—and perhaps for that very reason, highly useful: plasticity.

![image.png](https://cdn.steemitimages.com/DQme73bxYpqt9Ae8kapHHMZyDUsuCYimiaMma3eooELxfqh/image.png)
https://cdn.steemitimages.com/DQmcM9vDyChXWWfaBhnqxXD5scZn7pnHcZrWiwyZ8HMwmbX/separador%201.png

Biological neural networks do not always respond in the same way; with repeated stimuli, their connections and activity patterns can change. Brainoware harnessed these dynamics as part of a system known as "Reservoir Computing." Instead of a conventional processor performing all the necessary transformations on its own, some of them occur within the responses of the living neural network itself. This creates a rather curious reversal: for decades, we tried to make machines imitate the brain, creating artificial neural networks, neuromorphic chips, and algorithms inspired by how neurons function.

Now, some researchers are taking the opposite path; rather than trying to build neurons using silicon, they are incorporating real neurons into the computing process. This line of research has even been given a name: Organoid Intelligence. It remains an experimental field—an organoid is incomparably simpler than a human brain; it lacks a body and our sensory systems, and there is no evidence that these systems possess a human mind or consciousness—yet Brainoware demonstrated an important concept.

A machine does not need to be built solely from electronic components to perform computations; part of it can be biological. This is precisely where the story takes another turn, because neurons are complex—they must remain alive and depend on extremely specific conditions. However, it may not be necessary to build something resembling a brain to harness biology for computation. There is a much simpler molecule that already performs another essential function within virtually all our cells—storing information in extraordinary quantities: DNA. And that represents yet another avenue of research and inquiry.

https://cdn.steemitimages.com/DQmcM9vDyChXWWfaBhnqxXD5scZn7pnHcZrWiwyZ8HMwmbX/separador%201.png

Sorry for my Ingles, it's not my main language. The images were taken from the sources used or were created with artificial intelligence

Posted Using INLEO

Brain-computer bidirectionality.

rebe.torres12 — Thu, 01 Oct 2026 16:23:54 GMT

Brain-computer bidirectionality.

https://i.ecency.com/DQmX22gU4KEDi7rjNyRZVyhyxMPt9UMF1SAUHUReWPnrdb9/image.png
https://cdn.steemitimages.com/DQmcM9vDyChXWWfaBhnqxXD5scZn7pnHcZrWiwyZ8HMwmbX/separador%201.png

Neuralink is already attempting to transmit vision directly to the brain; the project is called Blindsight, and its goal is to use a brain implant to try to restore some level of visual perception to blind individuals. However, there is a specific detail that makes this technology particularly interesting. The concept involves creating vision without relying directly on the eyes. When we see something, the eyes are merely the starting point of the process: the retina converts light into electrical signals, which travel along the optic nerve to the regions of the brain responsible for visual processing; it is only there that these signals begin to transform into what we perceive as an image.

Blindsight aims to explore the other end of this pathway: a camera would capture the surroundings, an external device would convert that input into data, and the Neuralink implant would directly stimulate the visual cortex. In other words, the system would attempt to deliver an image straight to the brain. In 2024, the FDA granted Blindsight "breakthrough device" designation, which could facilitate the company's interaction with the agency during the development process.

This does not mean the technology has been approved for clinical use, and there is another important detail to consider: if it works, we should not expect someone to immediately regain vision comparable to our own. One of the foundational elements studied in this field is phosphenes—perceptions of small dots or flashes of light produced when specific regions of the visual system are stimulated.

https://www.youtube.com/watch?v=qU7XlqDBIZk
https://cdn.steemitimages.com/DQmcM9vDyChXWWfaBhnqxXD5scZn7pnHcZrWiwyZ8HMwmbX/separador%201.png

The great challenge lies in controlling many of those stimuli and transforming them into patterns the brain can interpret as useful information. While this might initially allow for the distinction of shapes, contours, or objects—or help someone navigate their surroundings—the underlying principle is far more profound. With Terry, we saw a machine attempting to learn how to interpret signals generated by the brain; with technology like Blindsight, the dynamic is reversed: the machine must figure out how to produce signals that the brain can interpret.

If we eventually master both directions—brain-to-machine and machine-to-brain—we will have created something vastly different from the interfaces we use today. We will no longer be talking merely about controlling computers with our thoughts; we will be discussing technology capable of directly exchanging information with the human brain. This raises a final question: currently, these technologies are primarily developed to restore lost functions—such as movement, speech, or vision—but what happens once we perfect this process? Will we continue to use brain interfaces solely to restore human capabilities, or will we begin using them to create capabilities we never possessed before?

https://cdn.steemitimages.com/DQmcM9vDyChXWWfaBhnqxXD5scZn7pnHcZrWiwyZ8HMwmbX/separador%201.png

Sorry for my Ingles, it's not my main language. The images were taken from the sources used or were created with artificial intelligence

Posted Using INLEO

The Advancement of Geology in Cuba//El Avance que está teniendo la Geología en Cuba (ENG-ESP)

estilodereba — Wed, 30 Sep 2026 12:18:36 GMT

English

Hello to the entire community! The scientific work carried out for years by the Institute of Geology and Paleontology - Geological Survey of Cuba (IGP) is connecting traditional geology with the most urgent technological, environmental, and health challenges prevailing in our current society.

Thanks to the effort of our specialists, Cuba already has a Geological Atlas of the marine territory and its surrounding areas at a detailed scale. This project has not only resulted in the identification of coastal types, mineral resources, and paleogeographic landscapes, but also utilizes fractal analysis and advanced bathymetric processing to rectify the limits of the insular slope. Its relevance lies in the fact that this scientific work contributes not only to Cuba's economy, but also to that of the entire Caribbean region.

Our country is also betting on clean energies and possesses potential critical raw materials and more than 40 mineral deposit models. Similarly, geothermal energy is taking shape for this new purpose, as sectors have been identified to diversify our energy matrix and cease depending predominantly on fossil fuels.

One of the high-impact topics is medical geology, little known yet with great social benefit; in fact, we already have research underway to study the relationship between geological factors and the incidence of certain diseases in people. Recent radiometric studies by the IGP warn about the need to measure and control natural radon gas emanations.

Our methodology to combat climate change and sea-level rise is highly recognized internationally and applied in other countries, such as Costa Rica. The data from these investigations are vital for urban planning and the protection of fragile ecosystems.

Recognizing that geology is the first step toward the country's sustainable development means understanding the importance of our subsoil, our geosites, our water resources, among many other aspects.

Note: The photos and information in this blog correspond to the Science Forum recently held at the IGP.

Español

¡Hola a toda la comunidad! El trabajo científico que se viene realizando desde hace años por el Instituto de Geología y Paleontología - Servicio Geológico de Cuba (IGP) está conectando la geología tradicional con los retos tecnológicos, ambientales y de salud más urgentes que imperan en nuestra actual sociedad.

Gracias al esfuerzo de nuestros especialistas, Cuba ya cuenta con un Atlas Geológico del territorio marino y sus áreas circundantes a escala detallada. Este proyecto no solo ha tenido entre los resultados los tipos de costa, recursos minerales y paisajes paleogeológicos, sino que utiliza análisis fractales y procesamiento batimétrico avanzado para rectificar los límites del talud insular. Su relevancia radica en que este trabajo científico no solo aporta a la economía de Cuba, sino también a la de toda la región del Caribe.

Nuestro país también está apostando por las energías limpias y cuenta con posibles materias primas críticas y más de 40 modelos de depósitos minerales. De igual manera, la geotermia está tomando forma en este nuevo propósito, pues se han identificado sectores para diversificar nuestra matriz energética y dejar de depender mayoritariamente de los combustibles fósiles.

Uno de los temas de alto impacto es la geología médica, poco conocida pero con un gran beneficio social; de hecho, ya contamos con investigaciones para estudiar la relación entre factores geológicos y la incidencia de ciertas enfermedades en las personas. Estudios radiométricos recientes por el (IGP) alertan sobre la necesidad de medir y controlar las emanaciones naturales de gas radón.

Nuestra metodología para combatir el cambio climático y el ascenso del nivel del mar es altamente reconocida a nivel internacional y aplicada en otros países, como Costa Rica. Los datos de estas investigaciones son vitales para la planeación urbana y la protección de ecosistemas frágiles.

Reconocer que la geología es el primer paso para el desarrollo sostenible del país es entender la importancia de nuestro subsuelo, nuestros geositios, nuestros recursos hídricos, entre otros muchos aspectos.

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[EN/PT] Building My Fault Detection Sensor

elderdark — Wed, 30 Sep 2026 00:50:30 GMT

[EN]

Over the next few days, I may be a little less active on Hive. I need to make progress on my master's degree project, so I need to focus entirely on this stage.

As I mentioned here some time ago, my work involves developing an analog sensor for detecting faults in electric motors. Now I need to finish assembling this sensor. There are still a few circuit stages to assemble, but the main part is already working.

At the moment, I am designing the printed circuit board (PCB). It is a very detailed stage because I need to pay close attention to avoid connection errors and also make sure that all the components have the correct values.

Wish me luck! I hope I can finish this project successfully.

[PT]

Nos próximos dias talvez eu fique um pouco menos ativo na Hive. Preciso adiantar meu trabalho de mestrado e, para isso, preciso focar inteiramente nessa etapa.

Como já mencionei aqui há algum tempo, meu trabalho consiste no desenvolvimento de um sensor analógico para detecção de falhas em motores. Agora preciso finalizar a montagem desse sensor. Ainda faltam algumas etapas do circuito, mas a parte principal já está funcionando.

Neste momento, estou fazendo o projeto da placa de circuito impresso (PCB). É uma etapa bastante minuciosa, pois preciso prestar muita atenção para evitar erros nas ligações e também não utilizar componentes com valores incorretos.

Me desejem sorte! Espero conseguir finalizar este trabalho com sucesso.

Build a good habit.

nsigo1 — Fri, 02 Oct 2026 05:02:03 GMT

Habit is one thing that we must intentionally build and if we must build it , it should be a good and positive habit. Because the habits that we develop can make or mar us over time. At times we start it as a simple harmless lifestyle and with time the effects starts showing.
‎
‎Over the years I have learnt to develop an habit of always completing what ever I started, no matter how tough it may appear to be. Sometimes ago, I started a project , the starting process was smooth and stress free, but at a point the struggle was somehow unbearable, it was difficult, it was financially draining, it was discouraging. At a point I felt like stoping, but I thought to myself, why must I stop half way, how about time , energy and resources that I have already invested into the said project. I had every reason to stop, but I still had more reasons to keep pushing. When ever I remembered that I am trying to build a habit of always finishing what I have started, it give me more confidence to keep pushing.
‎
‎Procrastination is another habit that I have always tried to avoid. Most times the laziness of wanting to do a particular thing will set in , but knowing that you are fighting against something will help you play your card well just to stay ahead of it.
‎
Learning to appreciate every act of kindness is another habit that I have carefully learn to develop over time. Because I know gratitude open more doors. So when someone shows any act of kindness I try my best to appreciate them and also reciprocate same to the best of my ability.
‎
‎So there are habit we should all learn to uphold and there are some we should try and do away with.