AM (Amplitude Modulation) is a method of broadcasting radio and covers both Medium Wave (MW) and Long Wave (LW). Most AM radios have in-built aerials so the location of the radio is often the most ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in observations..

The BBC will stop transmitting a 40-year-old long-wave radio service which will force almost a million household to switch to smart meters or risk paying higher heating bills. Since the late 1980s ...

THE solar radiation spectrum does not normally extend into the 5-metre wave-length region with sufficient intensity to be detectable on radio receiving equipments in commercial or Service use.