The Wigner's Friend Experiment Proved Two Realities Exist — Nobody Can Explain How скачать в хорошем качестве

The Wigner's Friend Experiment Proved Two Realities Exist — Nobody Can Explain How

In 2019, physicists at Heriot-Watt University in Edinburgh ran an experiment that should have changed everything. They tested whether two observers measuring the same quantum system must agree on what happened. The result, published in Science Advances and clearing five standard deviations, confirmed what many physicists feared: they don't have to agree. Both can be right. Both realities can be real. This is not philosophy. This is data. In this documentary, we trace the sixty-year journey from Eugene Wigner's 1961 thought experiment to Massimiliano Proietti's 2019 laboratory test. We explore how a question posed in a book of "partly-baked ideas" became one of the most profound experimental results in modern physics—and why almost nobody knows about it. We begin with Wigner himself: the Hungarian prodigy who studied alongside von Neumann, helped design the plutonium reactors that ended World War II, won the Nobel Prize, and spent his final decades haunted by a question about his friend in a sealed laboratory. What happens when one observer measures a quantum system while another observer watches from outside? When do facts become facts? And for whom? We examine the measurement problem—the crack in the foundations of physics that has been there since the beginning. We follow the theoretical breakthroughs of 2018, when Časlav Brukner in Vienna and Frauchiger-Renner in Zurich independently showed how to turn Wigner's thought experiment into a testable prediction. We walk through the Proietti experiment in detail: six photons, three entangled pairs, weeks of painstaking data collection, and a result that violated the Bell-Wigner inequality by five standard deviations. Then we confront what the result means. If you accept locality. If you accept freedom of choice. Then you must reject observer-independent facts. The experiment does not prove that consciousness creates reality—photons are not conscious. It proves something stranger: that facts established by one observer need not be facts for another observer, and the laws of physics do not require agreement. We explore every escape route—relational quantum mechanics, QBism, many worlds, objective collapse, superdeterminism—and show what each one costs. We ask why this result, recognized with the 2023 Ehrenfest Award for quantum foundations, remains virtually unknown outside specialist circles. The silence is the scandal. Every claim is grounded in peer-reviewed research. Every quote comes from the physicists who did the work. The math has been checked. The experiments have been replicated. And the implication is exactly as disturbing as it sounds: you and the person next to you may have been living in compatible but fundamentally different realities your entire lives. The experiment says you are. #WignersFriend #QuantumMechanics #ObserverEffect #QuantumPhysics #BellsTheorem #MeasurementProblem #QuantumFoundations #PhysicsDocumentary #ScienceDocumentary #QuantumReality #ObjectiveReality #RelationalQuantumMechanics #QBism #ManyWorlds #EugeneWigner #Decoherence #EntangledPhotons #HeriotWatt #QuantumExperiment #RealityIsRelative