The demonstration of a Yagi–Uda nano-antenna that operates at visible wavelengths gives hope for a convenient means of directing radiation patterns from nanoscale light sources such as single ...

One of the first things that an amateur radio operator is likely to do once receiving their license is grab a dual-band handheld and try to make contacts with a local repeater. After the initial ...

My 200m long, 2.4GHz wireless network link doesn't have a clear line-of-sight. It works well enough in good weather, but with wet or snowy or blowy foliage, it can become unusable. Since the current ...