Physics is a way to predict the future by Ciro Santilli 37 Created 2025-01-21 Updated 2025-07-16
It is quite beautiful to look at it like that.
That which previous generations would treat as magical, and divine.
We are doing better and better right now.
Of course, in a way, humans are trying and often successfully predicting certain daily aspects of the future all the time. Will this car stop if I cross the road? Will this glass break if I drop it?
But there's a beauty to the level of precision that can be achieved with physics and other natural sciences.
YouTube randomly removes people's comments by Ciro Santilli 37 Created 2025-01-21 Updated 2025-07-16
It is incomprehensible how it works.
If there's anything remotely offensive, that's understandable, that the Google advertising censorship machine would take it down. But even perfecly polite comments are taken down.
And even as a channel admin, I cannot find the comment anywhere to approve it. They seem to be actually fully removed.
Also YouTube notifies you of some comments, but randomly does not notify you of others. I've checked Held comments and "Comments that may be offensive have been hidden".
Everything is very blurred and you can't be certain of anything.
One thing YouTube seems to not like is if you comment multiple times. Even when replying to the channel admin each time. Presumably to prevent spammers from adding a lot of replies.
And once it removes one of your comments from a thread, it starts to remove every single future comment from tha thread, that seems to be deterministic.
One thing to try with known users that make good comments often is "Mark user as approved user". But that feature is very hard to find on the web UI and its usage must be minimal.
Also the "I haven't respoded" tab simply doesn't work, and leaves dozens of comments unresponded not shown.
YouTube not usable as a commenting platform. It's just a huge noisy mess. Perhaps this is a reflection of our Internet world in general.
Gabriel Staples by Ciro Santilli 37 Created 2025-01-21 Updated 2025-07-16
Figure 1.
Gabriel Staples
. Source.
Disruptive technology opportunity window by Ciro Santilli 37 Created 2025-01-21 Updated 2025-07-16
This section is about identifying the year in which it was possible to create a new huge company in a given new technological domain.
Video 1.
Unlocking Tech Windows by NFX
. Source. It would be good to name some of the companies that are referred to in those windows.
History of technology by Ciro Santilli 37 Created 2025-01-21 Updated 2025-07-16
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Home by Graham Day 0 Created 2025-01-19 Updated 2025-04-18
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Software Development Company by Kristin Stifter 0 Created 2025-01-13 Updated 2025-04-18
Chudovo is a software development and IT consulting company with representative offices in Germany, the USA, the UK, and Central & Eastern Europe. It has been working on the market since 2006, providing customers with up-to-date web, mobile, desktop, and embedded solutions. The company has expertise in 16+ industries, including healthcare, finance, logistics, education, media, telecom, and more. We provide consulting, custom software development, and IT audit services to startups, SMEs, and enterprises. Our team includes professional software architects, developers, DevOps engineers, QAs, BAs, and other IT experts, who work closely together to deliver high-quality projects for customers.
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Home by Kristin Stifter 0 Created 2025-01-13 Updated 2025-04-18
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2025 impression from Qatar by Ciro Santilli 37 Created 2025-01-10 Updated 2025-07-16
Ciro Santilli visited Qatar in 2025, here are some notes.
The lady at the border crossing that checked the passports was terrible. She and all her colleagues had their hijabed colleagues had cell phones on social media right on the job, and a terrible attitude. But one of them had an Apple Watch, they are not poor. They must be the disliked third wives of the cousin of the king of something. During exit the ladies were much better. Perhaps is also because they had the late shift. The facial recognition system was terrible and took several tries to work for some people. Quite funnily, all the border crossing male officers look like Saddam Hussein. Interestingly, Chinese nationals need to take more fingerprint than Europeans. Also there's a company that has a service to collect your bags for you, they have an infinitely long line of Indian valets waiting to pick up other people's bags.
Signal is blocked at my hotel 1 but not hotel 2, and also works on Vodaphone SIM. pornhub.com is blocked everywhere: www.reddit.com/r/qatar/comments/uyhwdz/comment/m6d5980/. WhatsApp voice calling was blocked on hotel 1 and 4G, but not on hotel 2. The National Museum of Qatar blocks YouTube comments with: "Restricted mode has hidden comments for this video".
The place looks a lot like Singapore. Both have an infinite money glitch, and they import cheap NPC foreign labor like there is no tomorrow. At the end of the day you can see a bunch of Indian dudes sitting on the grass in the park as is their custom, exactly like Singapore. But is is way more extreme, with 85%-90% of the population being immigrants.
Paintings of the dictator and his father are visible everywhere. The father is important to suggest that he willingly chose this son to power and give smooth transition. Sometimes the mother is also together, presumably in part to identify which of the wives is the mother!
Drivers are a bit wild, definitely a step up from UK level.
Video 1.
Why Does Qatar Exist? by Look Back History
. Source.
Qatar by Ciro Santilli 37 Created 2025-01-10 Updated 2025-07-16
Phase of ice by Ciro Santilli 37 Created 2025-01-10 Updated 2025-07-16
Phase of water by Ciro Santilli 37 Created 2025-01-10 Updated 2025-07-16
Hydrogen compound by Ciro Santilli 37 Created 2025-01-10 Updated 2025-07-16
Introduction
L’énergie solaire est en passe de devenir l’une des sources d’énergie renouvelable les plus prometteuses au monde. Face à la demande mondiale croissante de solutions énergétiques durables, l’énergie solaire se distingue comme une ressource énergétique propre, renouvelable et inépuisable. La technologie des panneaux solaires, qui convertissent la lumière du soleil en électricité, progresse à un rythme remarquable, offrant une alternative aux combustibles fossiles conventionnels. Alors que les préoccupations concernant le changement climatique se multiplient, exploiter l’énergie solaire est devenue non seulement une question d’innovation, mais aussi une nécessité pour un avenir durable. Pour plus d'informations . Baca selengkapnya klik di sini calowatt.com/decouvrir-le-photovoltaique/.
La Science Derrière L’énergie Solaire
Au cœur de la technologie de l’énergie solaire se trouve le système photovoltaïque (PV), qui capte la lumière du soleil et la convertit en électricité. Les panneaux solaires sont constitués de cellules solaires contenant des semi-conducteurs, généralement du silicium, qui absorbent les photons de la lumière du soleil. Lorsque la lumière du soleil frappe ces cellules, elle excite les électrons du matériau semi-conducteur, générant un flux d’électricité. Ce processus est connu sous le nom d’effet photovoltaïque. L’efficacité des panneaux solaires dans la conversion de la lumière du soleil en énergie s’améliore régulièrement, faisant de l’énergie solaire une option plus viable pour les besoins énergétiques résidentiels et commerciaux.
De L’énergie Solaire
L’une des raisons les plus convaincantes de l’adoption croissante de l’énergie solaire est son impact environnemental. L’énergie solaire est propre et ne produit aucune émission de gaz à effet de serre, ce qui en fait un acteur clé dans la réduction de l’empreinte carbone mondiale. En passant à l’énergie solaire, les sociétés peuvent réduire leur dépendance aux combustibles fossiles comme le charbon, le pétrole et le gaz naturel, qui contribuent à la pollution de l’air et au réchauffement climatique. L’énergie solaire contribue également à préserver les ressources en eau car elle ne nécessite pas les grandes quantités d’eau nécessaires au refroidissement des centrales électriques conventionnelles.
De plus, l’énergie solaire peut contribuer de manière significative à l’indépendance énergétique. En installant des panneaux solaires, les ménages et les entreprises peuvent produire leur propre électricité, réduisant ainsi leur dépendance au réseau et s’isolant de la hausse des coûts de l’énergie. Dans les zones reculées ou hors réseau, l’énergie solaire offre une solution énergétique fiable et durable, fournissant de l’électricité là où elle pourrait autrement être indisponible.
L’avenir De L’énergie Solaire : Tendances Et Innovations
Alors que le monde évolue vers un avenir énergétique plus durable, la technologie de l’énergie solaire est sur le point de connaître des avancées significatives. Les chercheurs améliorent continuellement l’efficacité des cellules solaires, en travaillant sur des matériaux tels que la perovskite, qui promet d’être moins chère et plus efficace que les cellules solaires traditionnelles à base de silicium. De plus, l’intégration de l’énergie solaire avec des systèmes de stockage d’énergie comme les batteries est une avancée majeure. L’énergie solaire peut être captée pendant la journée et stockée pour être utilisée la nuit ou par temps nuageux, surmontant l’une des principales limites de l’énergie solaire : sa nature intermittente.
Les innovations dans la conception des panneaux solaires rendent également l’énergie solaire plus accessible. Les panneaux solaires deviennent de plus en plus esthétiques, avec des options telles que les tuiles solaires et les fenêtres solaires qui s’intègrent parfaitement à l’architecture moderne. L’efficacité accrue de ces panneaux signifie qu’ils peuvent être installés dans un plus large éventail d’environnements, des toits urbains aux fermes rurales, élargissant ainsi leur potentiel d’adoption généralisée.
Conclusion
L’énergie solaire est sans aucun doute l’avenir de l’énergie. Sa capacité à fournir une électricité propre, renouvelable et rentable en fait un outil essentiel dans la lutte contre le changement climatique. À mesure que la technologie continue de progresser et que le monde adopte des pratiques plus durables, l’énergie solaire joue un rôle de plus en plus essentiel dans la construction d’un avenir plus vert et plus propre. Exploiter l’énergie solaire n’est pas seulement une prouesse scientifique : c’est la voie vers un système énergétique mondial plus durable et plus résilient.
Home by Calowattinfo 0 Created 2025-01-09 Updated 2025-04-18
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Pinned article: Introduction to the OurBigBook Project

Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
We have two killer features:
  1. topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculus
    Articles of different users are sorted by upvote within each article page. This feature is a bit like:
    • a Wikipedia where each user can have their own version of each article
    • a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
    This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
    Figure 1.
    Screenshot of the "Derivative" topic page
    . View it live at: ourbigbook.com/go/topic/derivative
  2. local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:
    This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
    Figure 5. . You can also edit articles on the Web editor without installing anything locally.
    Video 3.
    Edit locally and publish demo
    . Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact