Musk said the world is not real, how dare you believe it? Have we been living in the virtual world?

Tech 2023-05-17 15:34:13 Source: Network

Whether our world is real has been a topic of debate among physicists in recent decades.Tesla's boss Musk once said: the probability of our world being real will not exceed one in a billion

Whether our world is real has been a topic of debate among physicists in recent decades.

Tesla's boss Musk once said: the probability of our world being real will not exceed one in a billion. It sounds so incredible, but it is recognized by many people.

Below, I will share some experiments that can provide theoretical basis for virtual worlds, and work with everyone to think and explore this topic.

As is well known, the reason why we feel this world is nothing more than through our various sensory organs such as vision, hearing, taste, and touch to receive external information and transmit it to the brain.

The brain then processes this information to enable us to perceive external colors, shapes, sounds, tactile sensations, temperatures, and so on.

In the early 1980s, Hillary Clinton, an American scientist, proposed a thought experiment.

Suppose there is a human brain placed in a tank filled with nutrient solution. The brain can receive various data information simulated by computers through connected neural circuits.

Through these simulated visual, auditory, taste, and tactile information, the brain interacts with the computer simulated world.

In theory, this brain does not think of itself as just a brain. It will feel that it truly lives in a world where it can learn, live, work, even get married and have children, conduct scientific research, and explore the universe. It has a complete life that belongs to him.

At least logically speaking, this experiment is no problem. This is a bit scary to contemplate, and I can't help but wonder if I am a brain in a vat, and if the world around me is also simulated by a supercomputer.

Coincidentally, over 2000 years ago, Zhuangzi left behind a story of Zhuangzi dreaming of butterflies: Zhuangzi had a dream, dreaming of himself becoming a butterfly, dancing in the flowers. After waking up, Zhuangzi thought to himself whether he had only dreamed of a butterfly or whether he was a butterfly dreaming of becoming Zhuangzi.

Although Zhuangzhou Mengdie and the brain in the vat cannot prove that the world is virtual, they at least provide a direction for thinking and a possibility. As a theoretical basis, it explains the possibility that our world is virtual.

The brain in a vat is, after all, a thought experiment, which has not yet been realized, while the double slit interference experiment is a real experiment, and its experimental results have made scientists start to doubt life.

Now, let me put aside some physics terms and briefly introduce the double slit experiment to everyone.

The double slit experiment was first proposed by physicist Thomas Yang in 1807.

At first, throwing a small ball onto a wall would leave a white spot, such as setting up a baffle with two vertical seams between the ball and the wall, and then throwing enough small balls. Some small balls hit the wall through these two vertical seams, and two white vertical stripes appear on the wall, which we call path stripes.

Place the device for this experiment in water and change the ball to a ripple of water. So the ripples passing through two gaps form two water waves with the same wavelength, and their peaks and valleys overlap with each other. If the strengthened ripples leave traces on the wall, multiple peaks will appear on the wall. This is called interference fringes.

Later, physicists improved the double slit interference experiment to verify whether light is a particle or a wave:

In the experiment, one end is equipped with a device that can emit photons, and the other end is equipped with a photosensitive plate with two vertical slits on the middle baffle.

When photons pass through two vertical slits and present two path stripes on the photosensitive plate, it can be proven that light is a particle.

However, the result was the appearance of multiple interference fringes like in water wave experiments, proving that light is a type of wave.

Later, physicist Meili, who supported the particle theory of light, conducted another experiment. The photons used this time are not photon beams, but each photon reaches the photosensitive plate through a baffle.

In theory, a single photon passing through a vertical slit will inevitably strike the photosensitive plate like a particle, resulting in two path stripes.

But the result was eye-catching. The interference fringes of multiple vertical lines appear on the photosensitive plate. Is it difficult for a photon to pass through two vertical slits at the same time and interfere with itself.

In fact, at this stage, physics can still explain that microscopic quantum mechanics is different from macroscopic physics, that is, the superposition of quantum states. That is to say, photons simultaneously pass through two vertical slits and undergo interference of light waves, resulting in multiple vertical interference stripes.

But when I didn't open the box, we didn't know if the cat was dead or alive. At this point, the cat was both dead and alive, in a superposition state. Only by opening the box can we determine whether the cat is alive or dead. It may sound difficult to understand, but in the micro world, superposition states do exist.

Let's continue with the double slit interference, the experiment is not over yet. Later, physicists wanted to see from which gap this photon passed through, so they installed a high-speed camera in front of the vertical gap to capture the photon. As a result, two particle like stripes are displayed on the photosensitive plate, rather than some interference patterns, where photons appear as particles. This proves that light is both a wave and a particle, that is, wave particle duality.

But the experiment continued, and after turning off the camera, interference fringes appeared again, which made the scientists' hair stand on end.

Do these photons know that we are observing it? As soon as it is observed, it becomes two vertical lines of the path stripe, while when not observed, photons interfere and become one interference stripe.

The experiment has reached this point, which is already unbelievable, but it is not yet complete.

With the development of technology, physicists have made improvements to this experiment by placing the camera between a double slit partition and a photosensitive plate. After the photons pass through the double slit partition, turn on the camera again. At this point, two light bands were displayed on the photosensitive plate that was supposed to display interference fringes. After turning off the camera, interference fringes appeared again on the photosensitive plate.

This conclusion is even more incredible, because when the camera is turned on, what happens after photons pass through the gap changes the trajectory of the photons as they pass through the gap. Simply put, the future has changed the past.

The experimental results so far cannot be explained by science.

This is like an online game we play. In the game, the system loads a lot of backgrounds where we go, such as trees, houses, streets, pedestrians, and so on.

And where we didn't go, it was a void, and the system didn't load anything. This can save computer computing power, and currently all games adopt this logic.

If our world were a virtual world, many questions would make sense.

For example, when we do not observe photons, the system blurs the results, just like a game does not load data, resulting in interference fringes. And we start observing this photon, and at any moment, the system immediately refines the trajectory of the photon, presenting two trajectory stripes similar to macroscopic objects on the photosensitive plate.

Summary:

For a considerable period of time, there are still many unsolved mysteries, including the virtual world, such as the origin of consciousness and the parallel universe, waiting for us to explore and discover.

Believe that one day. With the continuous development of science, more things beyond our understanding will be cracked. Perhaps we won't be able to wait for that day, but I still hope that humanity can eventually explore the mysteries of the universe and truly understand this world.

What do you think about our virtual world? Feel free to leave a message in the discussion area.

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