A snapshot of a computer simulation showing how energy density changes over time in the collision of a lead ion with a photon emitted by another lead ion. The world’s largest and most powerful ...

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When light scatters off light, a photon can briefly turn into a pair of particles, such as an electron and a positron. These interact and annihilate, turning back into a photon. But if heavier virtual ...

(Nanowerk News) The world’s largest and most powerful particle accelerator may be producing the world’s tiniest droplets of liquid, right under scientists’ noses. Researchers supported by the ...