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    Einstein was wrong: MIT just settled a 100 year quantum debate

    August 6, 2025, Categories  Physics, Technology/Electronics

    Figure shows a beam of red light with two atom icons in it, going through a hole. A screen depicts bending red light.
    Caption:Schematic of the MIT experiment: Two single atoms floating in a vacuum chamber are illuminated by a laser beam and act as the two slits. The interference of the scattered light is recorded with a highly sensitive camera depicted as a screen. Incoherent light appears as background and implies that the photon has acted as a particle passing only through one slit.
    Credits:Credit: Courtesy of the researchers

    MIT physicists confirm that, like Superman, light has two identities that are impossible to see at once. Physicists at MIT recreated the double-slit experiment using individual photons and atoms held in laser light, uncovering the true limits of light’s wave–particle duality. Their results proved Einstein’s proposal wrong and confirmed a core prediction of quantum mechanics...

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