Sources of incandescence emit their radiation across a broad spectrum. The finding that metamaterials can be used to tune the sources' emission spectrum makes these emitters an attractive prospect ...

Let us now praise incandescence—and, while we’re at it, let’s damn fluorescence. Last year a woman compiling a unique kind of anthology asked me for a contribution. She was getting a number ...

The High Energy Photon Source (HEPS) will generate beams that are a trillion times brighter in terms of photon density than the surface of the sun, thanks to their extreme focus and precision.It ...