Free electrons can be used to generate light by ... channelling radiation' from an electron beam passing through a hole in the crystal (see, for example, ref. 4). More recently, researchers ...

Supermassive black holes are theorized to get so big through ... The disappearance of free electrons meant that photons, the fundamental particles of light, were no longer endlessly bounced ...

Researchers at ETH Zurich have developed a groundbreaking technique to manipulate electrons within materials using artificial ...

Instead, it is free to move inside the silicon structure ... This creates an area around the junction, called the depletion zone, in which the electrons fill the holes (Fig. 1, closeup). When all the ...