Hi I was wondering how can antennas capture + receive Electromagnetic waves I was thinking, in particular of FM Transmitters Antennas, and Fm receiver Antennas. And also, how come metals act as a shield to EM Waves I know that antennas have a resistance, and that they consume Energy by creating heat and light (like a Light Bulb) And since E = hv (v as frequency) the lower Energy 'E' created by the current passing through the antenna would just like a light bulb, emit photons of v=E/h. But since here E is a lot lower, it will emit photons of frequencies falling into the 'radio waves' band ? But now, how does current passing through a material where the resistance 'R' is (R>0) emmit photons ? Where and how are the photons formed ?