Unity (U) appears to have successfully initiated a turnaround. The company is finally back to positive growth, as its AI-powered advertising engine is operating in full force. This is a name that had ...

Using single broadband X-ray pulses from a free-electron laser on a gaseous neon target, coherent, nonlinear four-photon interactions with core–shell electrons is demonstrated, representing a strategy ...

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...