The Earth's atmosphere bears precious little resemblance to what it looked like at the start of the Industrial Revolution. As radio technology has advanced and spread, the signals that transmitters produce -- specifically the Very Low Frequency (VLF)...
Earth’s radio signals may be protecting it from space radiation
The Earth's atmosphere bears precious little resemblance to what it looked like at the start of the Industrial Revolution. As radio technology has advanced and spread, the signals that transmitters produce -- specifically the Very Low Frequency (VLF)...