New Quantum Theories About Reality and Time That Even Scientists Find Disturbing

Imagine receiving a magical box as a birthday present. What's magical about it is that the object inside doesn't exist in any definite form until you open it. Before observing it, the box contains many possibilities. A watch, an apple, maybe even a diamond ring. But the moment you open it, all possibilities collapse into one single outcome. This is very similar to what particles do in the quantum world. We naturally think an electron around an atom must be at one exact spot at all times. But when scientists actually tried to measure the electron's position, they discovered something shocking. Before measurement, the electron isn't in one place. It's spread out like a cloud of probabilities. It could be anywhere around the atom at the same time. Experiments like the double slit experiment confirm this bizarre behavior. Particles behave like waves of possibilities, not tiny balls sitting in one location. The moment we measure the particle, the probability wave collapses and the electron snaps into a single position just like opening the magical box. But for decades, scientists have been struggling with some of the big questions these quantum phenomena raise, like what is a probability wave actually made of? Is it a real physical wave or just a mathematical tool? Who or what truly causes the collapse? Is it a conscious observer or simply any interaction with the environment? And when one possibility becomes real, what happens to the other possible outcomes? Do they disappear or do they continue in some form we can't access? They also confirmed that Einstein's doubts about quantum mechanics were wrong. As bizarre as these ideas sound, they have been tested countless times and confirmed. They're no longer just theories. They're established facts about how nature works at its smallest scales. Now, let's dive into even more mind-bending experiments and theories in quantum mechanics. ideas that reveal reality is far stranger than anything we've ever imagined. We'll also explore what new experiments suggest about the nature of time itself. Is time truly real, or could it be nothing more than an illusion? The concept of cause and effect plays an important role in both our everyday lives and in physics. If you set a ball down in front of a window and kick it hard, a split second later, the ball will hit the window and smash it. What we don't observe is a world where the window smashes on its own, thereby causing the ball to be kicked. That would seem rather nonsensical. In other words, kick before smash and smash before kick are two different physical processes, each having a unique and definite causal order. But does definite causal order also reign supreme the quantum world where concepts like position and time can be fuzzy? Most physicists are happy to accept the paradox of Schrodinger's cat, a thought experiment in which a cat hidden in a box is simultaneously dead and alive at the same time until you open the box to check. Schroinger's cat illustrates the quantum concept of superp position whereby a system can be in two or more states at the same time. But could two or more causally distinct processes occur at the same time in the quantum world? Well, the answer perhaps shockingly is yes. And this paradoxical phenomenon is called indefinite causal order. To explain this, scientists carried out a remarkable experiment known as the quantum switch. In this setup, a photon is fired at a beam splitter. The beam splitter places the photon into a superp position, meaning the photon exists in two possible states at once. One version travels straight through, while the other version is deflected by 90°. To make this easier to picture, imagine replacing the photon with a car. The car has two possible routes to follow, each representing a different order of events. In the first route, the car drives to Alice's garage and then stops at Bob's drive-thru. In the second route, the car visits Bob first, then Alice. In this analogy, a control cubit acts like a traffic light that decides which path the car takes. If the cubit is set to zero, the photon or car visits Alice first. If the cubit is set to one, it visits Bob first. In both of these cases, the order of events is clear and definite. But here's where quantum physics makes things truly strange. The control cubit itself can exist in a superp position of zero and one. In this situation, the car is no longer limited to one order or the other. Instead, it's as if the car follows both orders at once. So, what does the quantum switch really tell us about reality? In the setup, that car can take two possible routes. One where it visits Alice first and then Bob and another where it visits Bob first and then Alice. Normally, you'd expect that one of these must happen. Just like in everyday life where if you visit two friends, there's always a clear order. Either you went to Alice first or Bob first. But in the quantum switch, because of the control cubit being in a super position, the photon doesn't have to decide on one route. Instead, both routes exist together at the same time. This means that the question, who did the photon visit first, Alice or Bob, doesn't even make sense until you measure it. The order itself is not fixed. It's indefinite. That's mindbending because effect are supposed to be the foundation of reality. This experiment showed that in the quantum world, cause and effect don't have any fixed meaning or definite order until we measure and see a specific outcome. Now we're moving into other experiments that reveal some of the biggest mysteries of the quantum world. For example, despite decades of research, scientists still don't fully understand what superp position really is. What is the particle actually doing while in that superp position? What does that in between state look like? And perhaps the deepest mystery of all, how does the particle know where to appear the moment we make a measurement? How does reality decide on a single outcome from infinite possibilities? These are still some of the biggest questions in quantum mechanics, and no one has clear answers yet. But recently, a groundbreaking quantum experiment has stunned scientists by offering new insights into these mysteries, possibly revealing hidden aspects of reality that were previously beyond our understanding. One of the strangest and most fascinating new discoveries in quantum physics is something scientists call entanglement without entangled particles. To make sense of how unusual this is, let's first recall what quantum entanglement normally means. Traditionally, when physicists talk about entanglement, they describe two particles like photons or electrons that are created together or that have interacted in the past. Once they are entangled, these particles behave as if they are part of the same system no matter how far apart they travel. But now comes the twist. Researchers have discovered that entanglement can appear even when the two particles themselves never directly touched or exchanged any information. It sounds impossible at first. How can two things be linked if they were never connected? The answer lies in the larger system they are part of. Instead of thinking about the particles alone, imagine that there's a whole framework like a network in which they exist. Within this network, correlations can emerge that tie two particles together indirectly as if the system itself weaves them into the same fabric. To picture this, imagine two musicians living in different parts of the world. They've never met, never spoken, and don't even know the other exists. One sits at a piano in Paris while the other plays a violin in Tokyo. On their own, each is just making music. But here's the surprise. Without realizing it, both are following the exact same sheet of music that was given to them separately. When you listen to their performances side by side, the notes match perfectly, creating harmony. They are connected not because they ever played together or shared a stage, but because the music the larger structure surrounding them makes their actions line up. In the same way, particles can appear to share entanglement not because of a direct handshake, but because the quantum rules of the universe already embed hidden connections. This discovery challenges the way we think about reality itself. It suggests that the universe may not be built out of isolated objects, but out of deep underlying relationships, invisible threads that tie things together, even when no direct link exists. Scientists have revealed something extremely strange about the nature of our universe. This new discovery directly challenges one of the most popular ideas of the 21st century, the simulation hypothesis, the belief that our entire universe might be a giant computer program. But here's the twist. Scientists now say the universe is not a simulation. Instead, the findings point towards something even more mysterious. The universe may not be logical or computational at its deepest level. That's right. This research does more than just reject the idea that we live inside a simulation. It also challenges our entire understanding of how reality works and whether the universe even follows computable logical rules at all. Ever since humans built the first computers, we started believing something profound. Anything can be solved through logic, mathematics, and algorithms. And why not? Computers helped us solve problems that were once impossible. Then came quantum mechanics and later quantum computers, pushing this belief even further. With enough data and powerful machines, we can simulate almost anything. Today, we can simulate weather, planetary motion, the formation of galaxies, and even the evolution of the universe itself. These simulations are incredibly accurate. So accurate that scientists began asking if we can simulate univers's evolution, could an advanced civilization simulate the whole universe? This simulation theory became popular from the work of philosopher Nick Bostonramm, particularly a paper he published in 2003. This suggests it's possible that a more advanced civilization has already reached that point where they can simulate a complete universe and that we are inside one of their simulations. This idea felt powerful and intuitive. If a video game can simulate an entire world using simple rules, and if humans can simulate galaxies using equations, then maybe a super advanced civilization could simulate our entire universe. After all, in a video game, characters can only do what the physics engine allows. They cannot act outside the rules that the algorithm sets. Maybe our universe works in exactly the same way. Maybe everything, matter, energy, even consciousness is running on some ultimate algorithm and this was the foundation of the simulation argument. Physicists, mathematicians, technologists and computer scientists have jumped into this game. The argument for the simulation I think is quite strong because if you assume any improvement at all over time any improvement 1%.1% just extend the time frame make it 1,000 years a million years the universe is 13.8 8 billion years old. Civilization, if you count it, if you're very generous, civilization is maybe 7 or 8,000 years old. If you count it from the first writing, this is nothing. If you assume any rate of improvement at all, then games will be indistinguishable from reality or civilization will end. One of those two things will occur. >> Therefore, we are most likely in a simulation. >> Opinions span a wide range of probabilities. Columbia University astronomer David Kipping tried to evaluate the odds we live in a simulation and came up with about 5050 simulation theory implies there is a greater intelligence than our own that exists beyond the physical world and may have created our universe. Echoing foundational beliefs in many religious traditions, transhumanist philosopher David Pierce called Bostonramm's argument the first interesting argument for the existence of a creator in 2,000 years. However, now scientists have reached a completely different conclusion. Scientists have made some amazing points which solve some problems but create even more problems to answer. Scientists recently proved that the universe cannot be a simulation because it cannot be fully computed. The deepest truths of reality are non-algorithmic. To reach this idea, researchers relied on powerful mathematical results including God's incompleteness theorems, Tarski's undefinability theorem, and Chaitine's information theoretic incompleteness. At first, these may sound like abstract mathematical concepts, but they have direct consequences for understanding the universe itself. And the simplified result is shocking. Consider this. As we know, any logical system, any computer, any mathematics, any simulation will always contain truths that it cannot compute. This means a simulation cannot simulate every truth inside itself. If a computer cannot compute certain outcomes, a logic-based universe cannot contain all truth. And some parts of reality are fundamentally beyond algorithms. Think about a simple calculator. It gives you the answer to 1 + 1 is equal to two. But it can only do that because someone programmed the rules. Someone defined what one means. Someone gave it the laws of arithmetic. And someone set the logic beforehand. The calculator does not discover truth. It only follows instructions. This is exactly what Girdle proved. Every logical system must accept some truths without proof. And some truths can never be proven from within that system. And this is the key point. A simulated universe must be perfectly algorithmic. Everything must be computable and everything must follow fixed rules. But the real universe contains truths, events, and outcomes that no algorithm can ever compute. This means our universe cannot be a perfect computer simulation because simulations must be fully computable and our universe is not. Dr. Premier Fosel, a physicist at the University of British Columbia, Okanigan, said in a statement that we have demonstrated that it is impossible to describe all aspects of physical reality using a computational theory of quantum gravity. The fundamental laws of physics cannot be contained within space and time because they generate them. Therefore, no physically complete and consistent theory of everything can be derived from computation alone. This is the scientific explanation for why our universe cannot be algorithmic. A computer needs fixed unchanging rules. But the universe does not behave that way. In our universe, new mathematical truths appear endlessly. Consciousness creates entirely new ideas. Quantum events produce outcomes. No algorithm can predict. Physics itself may evolve over time and spacetime may not even be fundamental. This is not how a computer system behaves. Simulations are closed boxes. Everything inside must follow the rules exactly. But our universe seems far bigger than any box of rules. And here's something even more surprising. Proving that the universe is not a simulation does not prove that the universe is definitely real in the traditional sense. This suggests that the universe follows patterns. Yet those patterns may not be the kind that computers or algorithms can ever fully capture reality may follow principles that exist beyond logic, beyond computation, and beyond any system we can fully simulate. And this changes everything because this is not the end of the simulation debate. It is the beginning of a much deeper mystery. A mystery that challenges how we define truth, logic, mathematics, science, and even existence itself. What if the foundation of reality is not a computer, not a program, and not even pure mathematics, but something deeper, something that our current minds and machines cannot yet comprehend. The scientists suggest that we may be standing at the edge of a new kind of physics, one that reaches beyond computation, beyond simulation, and beyond human logic. And the true nature of reality may be waiting there just beyond the boundary of what can be calculated. Since the moment humans first looked up at the stars and wondered about the universe, one of the most mysterious and mind-bending aspects of reality has been time. Centuries have passed. Yet we still struggle to truly understand what time is. The most common belief is that time flows forward in one direction from past to future like a river that never looks back. But is that the full story? Well, certainly not. So, what exactly is time? Is it something real that exists independently in the universe ticking along whether we notice it or not? Or is it simply a tool created by humans to make sense of change, motion, and the unfolding of events? Get ready to be fascinated because in this video we will explore some of the latest scientific discoveries about the nature of time. What researchers are uncovering is both incredibly exciting and a little terrifying, hinting that our everyday understanding of time may be only a tiny piece of a much deeper mystery. In this video, we're going to explore two very different perspectives on time. In one view, time might be nothing more than an illusion, a concept our brains invented to make sense of reality. In the other view, time is treated as a real and fundamental part of the universe, something that exists independently of us. We'll also look at new research suggesting that time could behave like a physical object with its own properties. We often forget that the way we measure time is something we humans created. Hours, days, weeks, years. These are not laws of nature. They are social agreements that help us stay organized, go to school on time, celebrate birthdays once a year, and make sure trains don't crash into each other. Different cultures throughout history have measured time in different ways, which shows that this system is made by us, not by the universe. But many people mix up this human-made version of time with the deeper physical nature of time itself. Now, let's look at another perspective like time as a product of change. According to this idea, time exists because things in the universe are constantly changing. The sun rises and sets. Clocks tick. Our bodies age. Atoms move. Without change, there would be no before or after. So in this view, time isn't a thing on its own. It is the result of motion and transformation around us. But scientists have an even more mind-blowing idea. There's a modern theory called the emergent view of time. Now in terms of emergence there are completely concrete examples in string theory of emergence of space. So it's useful to visualize what that means to then talk about why you know emergence of time is such a more complicated thing. Imagine time as something that appears only when many smaller pieces of reality interact. It's kind of like how temperature works. A single atom doesn't have a temperature. But when trillions of atoms move together, temperature emerges. In a similar way, physicists suggest that time may not exist at the smallest scales of reality. Instead, what we feel as time could simply be a large scale effect created by deeper timeless physics running underneath everything. And this isn't just speculation. A new theoretical study published in 2024 proposes that time might actually be an illusion created by quantum entanglement. Entanglement is a mysterious connection between particles, where a change in one instantly affects another, even if they are far apart. According to this research, time appears because of the relationship between a clock system, something that changes regularly, and the rest of the universe. It's these correlations that give rise to what we call the flow of time. In other words, if there were no interactions and no entanglement, time itself might disappear. At the deepest level, the universe might be timeless. And what we feel as time ticking by could just be a story our minds tell based on how everything around us changes. Now, let's flip the idea around and look at the opposite perspective. What if time isn't an illusion at all? What if time is completely real, a fundamental part of the universe that controls how everything changes? According to this view, time is like the stage on which the story of the universe unfolds. Without time, nothing could move, evolve, or grow. Stars wouldn't form, planets wouldn't orbit, and you and I wouldn't get older. Change wouldn't just stop. It wouldn't even make sense. There are scientific theories that support this idea too. In Einstein's theory of relativity, time is treated as a real dimension just like the three dimensions of space. Together, they form spaceime, a sort of fabric that bends and stretches. Gravity, motion, and the behavior of the entire cosmos depend on how this spacetime flows and curves. If time were removed, those laws would collapse instantly. Some physicists also argue that time must be real because we consistently observe the arrow of time. We can clearly see a direction. Broken glass doesn't magically reassemble and smoke doesn't return to a matchick. These irreversible changes hint that a powerful underlying rule is pushing everything forward. Let's explore some of these bold possibilities that explains time as a physical reality. In 2025, a group of theorists proposed something almost sci-fi. What if time has not one but three dimensions? Just like we can move left, right, forward, backward, and up, down in space, time might also have hidden directions that are invisible to us. According to the three-dimensional time theory, time has three independent directions, typically imagined as three axes of motion, similar to the spatial x, y, and z axis. In the x direction, you're walking forward through time. This is your normal experience of life, moving from past to future. Moving in the Y direction could mean exploring alternate possibilities, different outcomes of an event during the same time period, and the Z direction could represent internal time such as subjective experiences, memory flow, or layers of consciousness. Imagine you're walking down a straight path in the X direction. It's like moving forward and experiencing time as we normally do. Now imagine another path that crosses this one going sideways or in the Y direction. If you could step onto that sideways path while remaining in the same moment of regular time, you might find that things are slightly different, perhaps a different version of the same day. Moving along this perpendicular second path could allow you to explore different outcomes of that day without going backward or forward in time as we know it. The existence of those different outcomes corresponds to the second dimension of time. While the ability to shift from one outcome to another is what the third dimension of time makes possible. In this theory, there are directions in time we just don't experience. Let's call them sideways time and up down time. We can't walk through them, but particles in the quantum world can. When a quantum particle is in a super position means that mysterious state where it hasn't yet decided what it is. It might actually be exploring different directions in time before settling on a definite state. Right now this idea is still very speculative and debated. But if true, it would mean our current view of time is like seeing only a shadow of a much bigger structure. We experience only one direction of time. But there could be multiple timelines branching and weaving like threads in a cosmic tapestry. Our single arrow of time might be just one possible direction among many. Now here comes one more surprising idea. Time might be something that objects carry with them like mass or charge. This concept comes from assembly theory introduced in 2023. It proposes that the more complex an object is, the deeper it sits in time. Scientists measure this complexity with something called an assembly number. A rock has a low assembly number because it's simple. A living cell has a high one because it took billions of years of evolution and chemical steps to exist. According to this theory, the universe isn't only expanding in space. It's expanding in time. As complexity grows, time becomes a physical property you can measure in an object's structure. This flips our ideas upside down. Instead of objects moving through time, time might be growing inside objects as they become more complex. In another fascinating theory, scientists have proposed that time is a discrete frame system. They said that time may not be a smooth continuous flow at the deepest level. Instead, it might be made up of rapid discrete frames or moments like the frames of a movie, especially at quantum scales. According to this view, at the very smallest scales, time is quantized, composed of distinct slices rather than a continuous river. These slices are linked by quantum transitions. Each moment leads to the next via specific rules rather than by smooth evolution. The continuous flow of time that we experience is an emerging effect smoothed out by the enormous number of these discrete steps. This theory raises bold questions. If time is made of building blocks or frames, then change is not simply motion in a continuous dimension, but a sequence of jumps. And perhaps in extreme quantum or gravitational environments, the frame rate of the universe itself changes, which could explain why time behaves differently near black holes or the big bang. On the other hand, scientists have recently discovered some surprising behaviors and properties of time, especially in the microscopic world of quantum physics. One discovery shows that in certain quantum systems, the direction of time isn't fixed. Instead of always going from past to future, the math in these studies allows processes that could also unfold in a direction that looks like future to past. By the way, it doesn't mean we can reverse our lives or unbreak a glass. It means that the arrow of time might only appear because many particles together create a natural sense of forward change. When you look at just a few particles in a tightly controlled experiment, the idea of a single direction of time becomes blurry. Another strange finding involves something called negative time. In special quantum optics experiments, scientists measured how long light interacts with tiny clouds of atoms. In some cases, the calculation suggested the interaction time was less than zero. It's almost as if the effect happened slightly before the cause. Of course, this doesn't allow time travel or breaking physics in the real world. Instead, it shows that our normal understanding of time duration doesn't perfectly apply at very small scales. Quantum behavior can make time feel twisted or stretched in ways our brains aren't used to. Together, these discoveries show that time might not be a simple smooth river flowing forward. It could be more like a complex ocean with waves, currents, and strange loops that only appear when we zoom in far enough. What we experience in everyday life is just the large scale version. Time that looks clean, steady, and irreversible. Engineers can build clocks that measure time incredibly accurately. But physicists are still trying to understand what time actually is. These studies remind us that we're only at the beginning of solving this mystery. Time might have hidden rules, hidden directions, or even hidden structures that we haven't fully uncovered yet. And the more we learn, the more time surprises us. According to current science, time travel to the future is considered theoretically possible based on Einstein's theory of relativity. This theory explains that if you travel at speeds close to the speed of light or are near an extremely strong gravitational field, time slows down for you compared to others. For example, astronauts traveling at high speeds in space or near a black hole would experience time much more slowly than people on Earth. This effect is called time dilation. And it means that while only a few hours might pass for the traveler, many years could pass for everyone else. On the other hand, traveling back in time is a much more complicated and uncertain idea. Scientists widely believe it is highly unlikely due to the problems it creates like paradoxes. The grandfather paradox is one of the most famous and puzzling ideas associated with time travel. It explores what happens when a person travels back in time and changes events in such a way that their very existence becomes impossible. The classic example involves someone traveling back in time to a period before their grandfather meets their grandmother. If they somehow prevent this meeting either intentionally or accidentally, then their parent would never be born and as a result they themselves would never exist. But if they never existed, how could they have traveled back in time to stop their grandfather in the first place? This creates a loop of contradictions, making the sequence of events logically impossible. The paradox emerges from the conflict between cause and effect. In the natural order of events, a cause leads to an effect. Your grandfather meeting your grandmother leads to your birth, which eventually allows you to travel back in time. However, if the effect prevents the cause, the chain of events breaks down and logic collapses. This contradiction highlights a major problem with the concept of altering the past through time travel. The grandfather paradox has sparked significant debate about whether time travel to the past is even theoretically possible. It challenges our understanding of determinism and free will. Determinism suggests that events in the universe follow a fixed unchangeable path. Meaning the past cannot be altered no matter what. If this is true, then any attempt to interfere with past events, such as preventing your grandfather's marriage, would be doomed to fail because the timeline is already set. On the other hand, if free will allows changes to the past, then events could become inconsistent, creating paradoxes like this one. Previously, physicists and philosophers have proposed several ways to resolve the grandfather paradox. One idea is the multiverse theory, which suggests that every action creates a new parallel timeline. In this view, preventing your grandfather's marriage would create an alternate universe where you never exist while your original timeline remains unchanged. But these are just some theories to solve the paradox. We have not yet found any evidence for all these possible explanations. Although the concept of the time travel paradox often leads people to believe that time travel is impossible, many physicists argue that the paradox alone does not definitively prove that time travel is impossible. Recently, scientists have published a surprising study showing that time travel might actually be possible. According to a physicist, Lorenzo Gavasino from Vanderbilt University explained in the study that time travel is possible and there is no paradox that can stop you from going into the past. Well, to solve the grandfather paradox, scientists gave an amazing explanation. Imagine this. Einstein's theory of general relativity tells us that gravity can bend space and time like stretching and warping a flexible sheet. Scientists think that if the gravity from something extremely powerful like a spinning super massive black hole is strong enough, it could bend space and time so much that it forms a loop. This loop in time is called a closed timelike curve. In simple terms, this means space and time would twist so much that you could follow a path through the warped space and end up back at the point where you started, essentially traveling into the past. Physicist Lorenzo Gavacino says that this closed time loop has two parts. One part is moving forward in time and the other part is going backward in time. Now consider the first loop of the closed time curve. According to the laws of thermodynamics, as time moves forward, the universe naturally becomes more chaotic and disordered, a process known as increasing entropy. For example, if you have a vase and you break it, it's now in all sorts of little pieces. Its entropy has increased. Even if you glue all the little pieces back together, they didn't actually rebecome one single object. You can't undo an increase in disorder no matter how hard you try. Now imagine the second part of this time loop where things move backward in time and return to where they started. Well, scientists discovered something interesting here. When a system travels backward through this loop, its entropy stops increasing. And by the time the system returns to its original state, all the memories, changes, and events that happened during the journey gets erased. The system resets completely and goes back to exactly how it was at the very beginning of the loop, as if nothing ever happened. What's truly remarkable is that this natural resetting mechanism solves one of the biggest problems with time travel paradoxes. Take the grandfather paradox for example. If you traveled back in time and tried to prevent your grandfather's marriage, the time loop would erase your actions and reset everything to how it was before you interfered. This ensures that the timeline remains consistent with no paradoxes. The universe essentially restores the timeline to its original state, making it impossible for your actions to create contradictions or disrupt events that lead to your own existence. The research also ties into something called the planker cycle, which is a concept in physics where systems eventually return to their original state after a long enough time. What this means for time travel is that it might be theoretically possible to travel back in time without worrying about breaking the rules of causality. Gavino claims that this could have a huge number of ramifications, including deaging, spontaneous memory erasure, and a complete inability to ever meet your younger self by going back in time. But to be clear, all of this hinges on the existence of the highly hypothetical closed timelike curves in the first place, which Gavino does not attempt to assert or prove in his study. So interesting, very much so. But we still have a long way to go and we'll need to get very lucky with the realities of a few not yet understood laws of physics before it's even really worth worrying about the ramifications of, say, stepping on a butterfly and winking out of existence. This study sheds light on how time travel could theoretically work without breaking the universe's rules. By focusing on the quantum behavior of systems traveling through a closed timelike curve, it provides a potential solution to the grandfather paradox and other time travel challenges. But the idea of a system resetting itself to prevent paradoxes raises interesting questions about free will and determinism. If time loops always reset to their initial state, does that mean our actions inside the loop are predetermined? While Gavascino's findings offer a compelling theoretical framework for time travel, the question remains, do closed timelike curves actually exist in the real universe? In the end, a small request. 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