Physicists have used an X-ray free-electron laser — one of two in the world — to induce two X-ray photons to simultaneously collide with an atom, converting them into a …read more
Source:: Science
Physicists have used an X-ray free-electron laser — one of two in the world — to induce two X-ray photons to simultaneously collide with an atom, converting them into a …read more
Source:: Science