What is the mysterious 'global Hum' – and is it simply noise pollution?
"The bulk of the evidence suggests that the Hum is not an acoustic sound. This is indicated by the simple fact that most people do not hear it."
by Philip Jaekl, 13 Mar 2019
Geoscientist and hum hearer David Deming attributed the cause to #electromagnetic energy.
"Deming hypothesised the source could be very low-frequency radio signals between 3 Hz and 30 kHz, used globally to communicate with submarines. Astonishingly, radio signals can elicit an auditory response in humans – the '#microwave auditory effect'. This results from radiant energy interacting with soft tissue in the skull that stimulates the auditory nerve. The effect has apparently been researched by the Pentagon as a #sonicweapon."
Science teacher and Hum hearer Glen MacPherson "continues to investigate the Hum, unperturbed by its many contradictory qualities. For instance, multiple Hum hearers, if in the same room together, will match the Hum to different acoustic frequencies. 'That never, ever happens with standard acoustic sources, of any frequency. It just simply never happens,' he says.
"Moreover, despite a number of reports, MacPherson is not convinced the Hum has ever been recorded, even by sophisticated audio equipment. And finally, he points out, most hypothesised acoustic sources don’t fit with the sudden onset of reports in the late 60s and early 70s, discovered by Deming.
"Thus he believes there is no external, physical source. Rather, he argues it involves a neurological element: 'This is caused by something internal – some internally generated perception of sound. But we need to know the trigger and what kind of exposures might be necessary. We also need to know other things the population might have in common that could help explain this.'"
https://www.theguardian.com/cities/2019/mar/13/what-is-the-mysterious-gl-hum-and-is-it-simply-noise-pollution
#Electromagnetic #ElectromagneticPollution #Hum #OmaghHum