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  1. Scientists Tried to Break Einstein’s Speed of Light Rule

    2 days ago · Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still daring to test it. Some theories of quantum gravity suggest …

  2. Gamma Rays from the Cosmos Reinforce Einstein’s Light Speed ...

    In a recent experiment, scientists analyzed gamma rays – the most energetic form of light – emitted from distant astronomical events. These rays, produced in cataclysmic explosions …

  3. New analysis challenges Einstein’s theory on the speed of light

    As detectors improve, scientists may finally learn whether light always moves at one constant speed or whether the universe still hides a deeper layer of physics.

  4. Breaking the speed of light by using quantum tunnels - Earth.com

    May 16, 2025 · Physicists have puzzled over how long the hop through the barrier actually takes. Some experiments hinted that the leap happens so swiftly that it appears faster than light, …

  5. Could the Speed of Light Actually Change? Scientists Test ...

    Nov 20, 2025 · You might wonder why such small, almost imperceptible differences in the speed of light matter. After all, if Einstein’s theories have held up for over 100 years, why push so …

  6. Scientists Attempt to Break the Speed of Light Limit

    2 days ago · The⁢ Michelson-Morley Experiment The Michelson-Morley experiment, conducted in 1887, failed to ⁢detect the existence of the luminiferous⁢ ether, a hypothetical medium through …

  7. 'Einstein’s speed shattered': Researchers halt light ...

    Scientists slowed and halted light using Bose-Einstein condensates, unlocking breakthroughs in quantum computing, communication, and the future of physics.