Megumu Gomi, left, and his wife, Megumi, pose outside D-13, a cafe they founded in an old flat house used as service member ...

NEC Corporation has successfully achieved Japan’s longest terrestrial wireless optical communication, or free-space optical (FSO) communication, over a distance of more than 10 km. In addition, NEC ...

Japanese electronics giant NEC claims to have achieved Japan’s longest terrestrial wireless optical communication, or ...