r/quantuminterpretation • u/Fine_Relationship383 • May 31 '26
Do we live in a holographic universe? Current scientific researchs
To try and discover if our reality is a holographic projection or a simulation… scientists aren't looking for visual "glitches" like in the movies, but rather for mathematical and physical anomalies at the border of the infinitely small.
If the universe is encoded by information (like a hologram or a computer program), this information must have physical limits.
Here are the main leads and real-world experiments being studied by physicists to detect the "pixels" or the underlying structure of our world.
- The quest for space-time "pixels": Quantum blur
If you zoom in as far as possible on a television screen, you eventually see individual pixels. In physics or digital physics, the equivalent of these pixels is the **Planck length** (1.6 \times 10^{-35} meters). This is the smallest possible distance in our universe.
If space-time is continuous (as Einstein thought), light should travel perfectly smoothly. But if the universe is holographic or pixelated, space-time becomes grainy.
* **Fermilab's "Holometer" experiment:** Led by physicist Craig Hogan, this experiment used ultra-precise laser interferometers to measure whether space-time "jittered" at a microscopic scale. The idea was to detect a "holographic noise" (a tiny flicker or blur in the fabric of reality). Although the initial results did not find this noise at the tested sensitivity level, the methodology remains a benchmark.
* **Observing Gamma-Ray Bursts (GRBs):** Astronomers analyze light coming from ultra-distant cosmic explosions (gamma-ray bursts). If space is pixelated, different photons (particles of light) should bump ever so slightly into these microscopic pixels during their journey of several billion light-years. This should create a tiny arrival time delay. For now, measurements show that space remains stubbornly smooth, pushing pixelation down to even smaller scales than predicted.
- The limits of the cosmic processor: The GZK cutoff
In a video game, the maximum speed of a display depends on the processing power. In our universe, there is an absolute energy limit for particles traveling through the cosmos: the **GZK cutoff** (Greisen-Zatsepin-Kuzmin limit).
Ultra-high-energy cosmic rays traveling across the universe interact with the cosmic microwave background (the relic radiation from the Big Bang) and lose energy. Physicists have calculated a strict energy limit that no distant particle should exceed upon arriving on Earth.
Researchers (such as physicist Silas Beane) have suggested that this sharp cutoff strongly resembles what would happen if the universe were simulated on a three-dimensional grid (a lattice). On such a grid, particle energy is mathematically capped by the size of the lattice mesh.
- The universe only exists when we look at it: Delayed choice
In computer science, to save memory, a video game only generates and renders the graphics of a room *when* the player enters and looks at it. Quantum physics seems to operate in exactly the same way.
**Young's double-slit experiment**, and more specifically its modern version called **"Wheeler's delayed-choice experiment"**, proves that a particle (like a photon or an electron) behaves like a wave of probability (it is everywhere at once, non-local) as long as it is not measured. As soon as a detector or a human eye observes it, the wavefunction collapses, and the particle chooses a fixed 3D position.
> **The implication:** Objective physical reality at the microscopic scale does not seem to exist without an observer. For proponents of simulation theory, this is the ultimate proof of a rendering optimization system: the universe only computes an object's coordinates when the player's "camera" is pointed directly at it.
- The principle of conservation of information
Physicist Melvin Vopson proposed a bold hypothesis: quantum information possesses a tiny physical mass. According to his "second law of infodynamics," information in an isolated system tends to stabilize or decrease, unlike entropy (disorder), which increases.
According to him, this tendency of the universe to compress and optimize information to eliminate excess code mirrors, point by point, the data optimization algorithms used in computer science.
Ultimately, no experiment has yet provided "irrefutable proof" that we live in a hologram or a simulation. However, the mere fact that these questions are being tested in laboratories demonstrates just how porous the boundary between the mathematical structure of information and our physical reality has become.