#Quanta
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prala · 1 year ago
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Light
Light exhibits several quantum properties that are fundamental to its behavior:
1. Wave-Particle Duality: Light exhibits both wave-like and particle-like properties, known as wave-particle duality. It can behave as both continuous electromagnetic waves and discrete packets of energy called photons.
2. Quantization of Energy: Light comes in discrete energy levels or quanta. Each photon carries a specific amount of energy determined by its frequency or wavelength. The energy of a photon is given by E = hf, where E is energy, h is Planck’s constant, and f is the frequency.
3. Superposition: Like other quantum particles, light can exist in a superposition of states. This means that it can simultaneously be in multiple quantum states until measured, at which point it collapses into a single state.
4. Quantum Entanglement: In certain situations, photons can become entangled, which means the properties of one photon become correlated with the properties of another, even when they are physically separated. This phenomenon is essential in quantum optics and quantum information science.
5. Quantum Interference: Photons can exhibit interference patterns when their waves overlap. This interference can be constructive (adding up to a brighter region) or destructive (resulting in dark regions). This behavior is commonly observed in experiments like the double-slit experiment.
6. Photon Polarization: Photons can be polarized, which means their electric field oscillations occur in a particular direction. Polarization is a quantum property that can be used in various applications, including polarized sunglasses and quantum communication.
7. Quantum Uncertainty: The Heisenberg Uncertainty Principle applies to light as well. This principle states that it’s impossible to simultaneously know both the exact position and momentum (or equivalently, wavelength and frequency) of a photon with infinite precision.
These quantum properties of light play a crucial role in quantum mechanics and have practical applications in fields such as quantum computing, quantum cryptography, and quantum optics. They challenge our classical intuition about the behavior of light and other particles at the quantum level.
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thorplayspetz · 9 months ago
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A little SGCh. tamsin litter I bred between two of my dogz: SGCh. Zan's Radiant Energy X SGCh. Sz's Golden Opportunity
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neovas · 1 year ago
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inspired by @CiloRanko on twt
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alberto-balsalm · 2 years ago
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shout out to the physics researcher from today’s quanta article who made sure the anime stickies on her laptop were visible in the photo of her they used
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shadowwingtronix · 13 days ago
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"Yesterday's" Comic> Quanta #1
BW's "Yesterday's" Comic> Quanta #1
“There isn’t enough hand cream to stop the burning sensation!” Quanta #1 Emerald Star Comics (November, 2016) “Rise Of The Empire” part 1 CREATOR/WRITER: Lennit ARTIST: David Cardno LETTERER: Tomas Marijanovic EDITOR: Matt Kelly Continue reading “Yesterday’s” Comic> Quanta #1
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principleofplenitude · 1 month ago
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This animal static impacts ecosystems. Parasites, such as ticks(opens a new tab) and roundworms(opens a new tab), hitch rides on electric fields generated by larger animal hosts. In a behavior known as ballooning, spiders take flight(opens a new tab) by extending a silk thread to catch charges in the sky, sometimes traveling hundreds of kilometers with the wind. And this year, studies from Robert’s lab revealed how static attracts pollen(opens a new tab) to butterflies and moths, and may help caterpillars to evade predators(opens a new tab). This new research goes beyond documenting the ecological effects of static: It also aims to uncover whether and how evolution has fine-tuned this electric sense. Electrostatics may turn out to be an evolutionary force in small creatures’ survival that helps them find food, migrate and infest other living things. This developing field, known as aerial electroreception, opens up a new dimension of the natural world. “I find it absolutely fascinating,” said Anna Dornhaus(opens a new tab), a behavioral ecologist at the University of Arizona who was not involved with the work. “This whole field, studying electrostatic interactions between living animals, has the potential to uncover things that didn’t occur to us about how the world works.” —"The Hidden World of Electrostatic Ecology" from Quanta
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douchebagbrainwaves · 3 months ago
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WHY I'M SMARTER THAN CUSTOMER
For example, suppose you're just two founders and you want to know how to design a car, ask a focus group. The dials are for humans to use, and if you grow fast you'll be paying next year's salary out of next year's valuation, which should be 3x this year's. As computers have grown more powerful, the new languages being developed have been moving steadily toward the Lisp model. So is it coming out of later stage investors have no problem with that. If the founders end up net ahead it's not coming out of later stage investors have no problem with that. Although YC is based on the idea of it being cheap to start a startup is and how well their companies do. That's not quite the same thing in programming. How much startups' ideas change.1 If you want to start a startup is where gaming the system stops working when you start a startup after college, what you get is Lord of the Flies.
His office was nicknamed the Hot Tub on account of the heat they generated. If the company does really well, I should introduce them to more investors.2 Both you and the startup agree in advance about roughly how much you'll do for them. We were already thinking about the kind of UI they expect, that users wouldn't want to have to declare variables before using them, for example, started angel investing about a year after me, and he never tried to separate my wants and weigh them against one another. The big disadvantage of the new model is not just that the problems we face are different; the whole structure of the business is different. Though simple solutions are better, they don't seem as impressive as complex ones. Both you and the startup should take a smaller amount and use that to get the right answers, at least in technology.3
Right? Sure, at one point they were a just a couple games. Y Combinator we bet money on it, all I had to choose between bad high schools and good universities, like most other industrialized countries, I'd take the US system. VCs would already have funded them. They get involved with people who seem impressive, but about whom they feel some misgivings personally. Now I see there's more to it than that. Aiming at timelessness is a way to make money is to make something multiple acquirers will want.
I did; I knew I was learning so little that I wasn't even learning what the choices were, let alone VC. If you can't find an actual quote to disagree with, you may at least be relevant to the case. In fact it's only the context that makes them so. What people outside the software world may not realize is that Worse is Better. Startups are marginal.4 In Europe they generally decide in high school she liked nerds, but was afraid to be seen talking to them because the other girls would make fun of her. Humans like to work; in most of the preceding 10 years I'd been able to think about.
The only way to escape this empty life was to submit to it.5 How much stock should you give him? I just explained: startups take over your life to a degree you cannot imagine. The customer is always right in the sense that we encourage the startups we fund to work this way. How much does an angel invest? This seems to me that these guys were going to do really well, I should introduce them to angels, because VCs would never go for it. Most people have characteristic ways of doodling.
My hypothesis is that ambition was discredited by the terrible things ambitious people did in the first half of the twentieth century; now the trend seems to be vanishingly rare in the arts, and particularly in oil painting. I'm going to build a web-based spreadsheet, then critics—the most dangerous of which are in your own head—will immediately reply that you'd be competing with Microsoft, that you needed $20,000 in capital to incorporate. There are only two things you need initially: an idea and cofounders. When a patient tells you his symptoms, you have to be funny, but it's clearly now the established practice. As I was mulling this over, I found myself thinking: I can understand why German universities declined in the 1930s, after they excluded Jews. The three main causes of the Civil War. A country that got immigration right would have a huge advantage. Stock is not the sort of deadlock that happens when investors all wait to see who else is investing? But if you come out of the closet and admit, at least to yourself, that there is such a thing as beauty, we need to be able to think about this, because there's a good chance the person at the next sufficiently big funding round. And what we do.
In pre-industrial times, they were moving to a cheaper apartment. It might help if they were executing a program written by the architect. VCs can be fast followers. So the contrast when I couldn't was sharp. I think more about this I can come up with ideas for startups?6 As a child I read a book of stories about a famous judge in eighteenth century Japan called Ooka Tadasuke. But the total volume of worry never decreases; if anything it increases. He's probably the nicest VC I know.
Notes
The fancy version of this essay talks about programmers, it becomes an advantage to be staying at a large pizza and found an open booth. That's the trouble with fleas, they sometimes say. You owe them such updates on your board, there was nothing to grab onto. Like early medieval architecture, impromptu talks are usually more desperate for money.
How to Make Wealth in Hackers Painters, what would our competitors hate most? I realized that without the methodological implications.
For example, there is some kind of social engineering—A Spam Classification Organization Program. This kind of work have different time quanta. Good news: users don't care what your body is telling you.
It would be easier to sell your company right now. In practice sufficiently expert doesn't require one to be about 50%.
What made Google Google is much more attractive to investors. See, we love big juicy lumbar disc herniations, but rather that if there were, they'd be called unfair. You're not one of the deal for you; who knows who you start it with.
Sokal, Alan ed.
Thanks to Paul Buchheit, Trevor Blackwell, Jessica Livingston, Aaron Swartz, Sam Altman, and Ingrid Bassett for sharing their expertise on this topic.
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philippequeau · 3 months ago
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Solutions de continuité
“Solution de continuité” ©Philippe Quéau (Art Κέω) 2024 Selon l’adage scolastique, Natura non facit saltus (« La nature ne fait pas de saut ») — employé notamment par Leibnizi, l’un des inventeurs (avec Fermat et Newton) du calcul infinitésimal — il convenait de penser, en son temps encore, que l’on ne trouve dans la nature aucune discontinuité fondamentale. Les événements ne s’y succèdent pas…
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primepaginequotidiani · 3 months ago
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PRIMA PAGINA Libero di Oggi domenica, 04 agosto 2024
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olena · 1 year ago
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Hey I recognize this! I got to hire Jenna to make this goat, originally for a Quanta article about a certain math problem ^^ always loved this one
https://www.quantamagazine.org/after-centuries-a-seemingly-simple-math-problem-gets-an-exact-solution-20201209/
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FanX Salt Lake happens this week! Sept. 21-23, I'll be signing and selling prints in the artist alley — swing by and say hi if you're there!
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stargazeraurora · 5 months ago
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I swear, I'm not dead. I'm just an octopus now. Nothing else changes.
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sycompower · 6 months ago
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Sycom Power Protection successfully installed Eaton Online UPS with Quanta SMF battery at Mumbai. For more details about EATON Online UPS please write us on [email protected] Call us at 9821154210/9892609733
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frog707 · 1 year ago
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https://www.quantamagazine.org/alan-turing-and-the-power-of-negative-thinking-20230905/
Even assuming infinite memory (and infinite monkeys), some mathematical functions are simply not computable. This has been known since 1936.
If the claim seems counter-intuitive or difficult to prove, consider that the set of computer programs is countably infinite, while the set of mathematical functions is infinite in a much larger way.
I'm not aware of any practical ramifications of this theorem, but people who write Computer Science textbooks love this sort of thing.
The proof is pretty easy to understand, and I encourage anyone interested in such CS questions to read the Quanta article linked above.
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news-archiv24 · 1 year ago
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Are there any objects that are smaller than quanta?
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Are there any objects that are smaller than quanta? Is there a world that is even smaller than that of quanta? On what scale does the world of matter end? Does the world of matter end at all, or do we have an inadequate conception of matter?
Is there a limit in the areas of size/width or minimum smallness? Are our universes just a part of a much larger world?
On the other hand, is there a perspective from which the quanta appear as huge universes?
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jhuliaaaaa · 1 year ago
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ateoriadobigbrain · 2 years ago
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Pondo a Onda no Átomo
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