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RT @EPJscience: New in EPJD: Refraction of light by light in vacuum https://t.co/55h1hHWZy6
RT @EPJscience: New in EPJD: Refraction of light by light in vacuum https://t.co/55h1hHWZy6
New in EPJD: Refraction of light by light in vacuum https://t.co/55h1hHWZy6
Q.E.D : "Refraction of light by light in vacuum" https://t.co/RAcZIKQ5s1
Is light deflected by light? A proposal to observe a vacuum refractive index gradient induced by intense laser pulses http://t.co/ADo0TLJIMB