Physicists have devised a way to craft pulses of gamma rays with precise shape and timing from single-photon sources. The high-energy photons could carry information in quantum communications or help ...
Magnetic effect: simulation showing the strong field (blue) created when a powerful laser pulse strikes a target. (Courtesy: T V Liseykina, S V Popruzhenko and A Macchi/New J. Phys.) Huge magnetic ...