When British physicist Roger Penrose suggested in 1969 that energy could be pulled from a rotating black hole, it sparked a ...

A metasurface-based approach is proposed for single-shot optical imaging that simultaneously captures all the three ...

Abstract: The vector electric-field Helmholtz equation, containing cross-polarization terms, is factored to produce both pseudo-differential and exponential operator forms of a three-dimensional, ...

For most, the idea that you might don a headset to zap your depression away or use electromagnetic pulses to sharpen your cognition seems better placed in a science fiction novel from the 1930s ...