The phenomenon of stimulated emission was first described by Einstein in 1917 (ref. 4). An atom or molecule in its excited state can be stimulated down to the ground state by an incident light field, ...

In the soft X-ray region, the use of nonlinear techniques to enhance the signal levels has been prevented by the small cross-sections and the short lifetimes of core-excited states in the regime of a ...

Tyga’s latest music video is for “Stimulated,” a love song (or as much of a love song as Tyga would ever record) that is raising eyebrows for all the wrong reasons. The song contains the lyrics, “They ...