FM radio works the same way that AM radio works. The difference is in how the carrier wave is modulated, or altered. With AM radio, the amplitude, or overall strength, of the signal is varied to ...

After Hurricane Helene brought devastating flooding to North Carolina, internet and cell phone service were spotty at best. But many were able to coordinate relief efforts and get crucial ...

Interference and fidelity have been the bane of AM radio broadcasters and listeners since the medium was developed in the early 1900s. In fact, what drove Edwin Armstrong to invent FM radio was ...

Climate change is threatening the future of AM radio in the electric automobile, which threatens the viability of the stations themselves.