Which pocket radio is best? Even when you have a smartphone, pocket radios are still handy devices to have. During a power outage, a pocket radio can be used to receive life-saving information, and ...

Sound vibrations leave the singer's mouth. The higher the pitch of the sound, the higher the frequency, or number of vibrations in a given amount of time. The sound enters the microphone, where it is ...

In these low-frequency bands, the signals are not heard in loudspeakers or headphones, or rather, the emission of sounds could occur but it is not the main activity, as is normally the case on other ...

Last month we looked at contributions to the art made by amateur operators, in particular advancements in Amplitude Modulation, or AM, and how it came to give radio its voice. This month, we will look ...

Artificial intelligence has been making waves, including on the radio airwaves. DALLAS -- A radio station made history this summer by becoming the first in the country to use an AI DJ for an entire ...