The ATLAS Collaboration observed photons elastically scattering from other photons — an effect predicted by quantum electrodynamics over 80 years ago.

中文翻译：

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重离子碰撞：光子碰撞

ATLAS协作观察到了光子与其他光子之间的弹性散射，这是80多年前由量子电动力学预测的结果。