If we were in the simulation, would we notice this?

If one morning the sky stopped for a moment...

Let's imagine: on your morning walk you think the clouds have frozen for a second. Your phone works, people walk, then the sky moves again. It's like getting stuck in a computer game. This scene is completely fictional; We are not reporting an observed event. The question is how to evaluate such an experience. The initial surprise is not an explanation. Saying "simulation error" without eliminating alternatives such as observation error, image recording problem and a natural event turns curiosity into a conclusion. In this article we will cover the exciting possibility; But at each step we will distinguish what is dream and what is research.

What did Bostrom suggest?

Nick Bostrom's 2003 argument, based on the assumption that advanced civilizations produce large numbers of ancestral simulations, discusses three possibilities: that civilizations fail to reach this stage, that they do not produce such simulations, or that simulated observers are very common. This is not a laboratory result. It depends on controversial premises, such as the computational feasibility of consciousness and the number of simulations. So the headline “scientists prove we are in a simulation” says more than the argument does.

Electricity bill for the computer outside

Franco Vazza's 2025 work brings the limits of knowledge and energy to the discussion of simulation. It examines the entire universe, Earth, and lower-resolution Earth scenarios in terms of their physical resource requirements. In the calculations he discusses, the author argues that these simulations are not possible in a superuniverse with the same physical properties; It separates an upper universe with very different physical properties. The important distinction here is that just because a particular model encounters resource limits is not a refutation of every simulation imaginable. The study also allows us to consider that the unlimited advancement of technology does not automatically eliminate physical boundaries.

If the universe was a grid

Beane, Davoudi, and Savage's 2012 study considered a numerical simulation scenario on a specific cubic space-time grid. He discussed whether directional signatures associated with the grid could be found in the distribution of high-energy cosmic rays. This is not a universal test for all simulation ideas; It is a search for prediction based on the model used. Finding such a trace does not in itself prove an outside programmer: rival physics explanations need to be examined. The appeal of the article is not in its definitive answer, but in its transformation of a broad claim into a more concrete measurement question.

Is it calculated only where we look?

Now let's move on to the thought experiment again. An imaginary designer might want to reduce the computational load by producing only the details we observe. But how will a star's historical light maintain consistency when looking at the same object with different devices and rechecking the recordings? These questions are a design game; It doesn't show that the universe works that way. We should not reduce quantum measurement to the analogy of "when you look at it, the screen turns on". An analogy suggests the concept, but does not replace the physical mechanism. The more interesting improvisation is this: a perfect virtual universe might have to produce not just beautiful images but a world whose history and different observers are compatible with each other.

If nothing changes our minds

Let's set our own editorial criterion: by what observation is a claim strengthened, by what observation is it weakened? An approach that explains every outcome by saying “the programmer wanted it that way” has a hard time distinguishing itself from competing explanations. Saying “we don't know” does not shut down curiosity; It shows where the investigable problem begins. Therefore, we do not present everyday coincidences, déjà vu experiences, or surprising images as evidence of simulation in this article. Before sharing a claim, let's ask about its source, its history, and what conclusion it actually supports.

Responsibility before reality

Philosophically, the possibility of a simulated world does not necessarily devalue everyday life. This is our interpretation: the question of how our experiences are produced is different from the question of how we treat others. Even in a thought experiment, additional justification is required to declare the pain felt and the bonds formed unimportant. Our final question for the reader: what independent, repeatable observation would you want to see to believe a simulation claim? Share your answer with reasoning in the comments. The cover image is a representative depiction of the digital world; It is not research data.

Kaynaklar

Nick Bostrom — Are You Living in a Computer Simulation? (2003)

Franco Vazza — Astrophysical constraints on the simulation hypothesis (2025)

Beane, Davoudi and Savage — Constraints on the Universe as a Numerical Simulation (2012)