I always wondered, when hearing stellar bodies like pulsars, quasars and black holes emit radio waves, the following:
1) Are these waves akin to AM/FM/VHF/UHF type signals in that they transmit signals and sound? 2) If not, are these "waves" just variations in the redshift of hydrogen? ...
The metal strip in paper currency is sensitive to microwave and radio waves.
Because it apparently tends to burn a hole in the pocket.
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