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Listener Questions 17: hamsters, black holes and higgs fields!

Daniel and Kelly’s Extraordinary Universe

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How Do Antennas Work?

Antennas work because there's electrons wiggling inside of an antenna, and that gives off the photons. And you are saying, that's kennaho. Yes, in both directions, you can generate photons using electrons by taking them and using current from your signal to wiggle the electrons. That's how, for example, those tall towers from radio stations generate radio waves as they have like electrons moving up and down those antennas. The frequency of the electrons motion is the frequency of the photon that they generate. Its very simple and direct connection between the motion of the electron, the motion ofthe electric field that it's connected to, and the photon,. which is just whigg

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