Teen-only ringtone

NYTimes just reported on a new type of ring tones that is inaudible to adults.

“While most human communication takes place in a frequency range between 200 and 8,000 hertz (a hertz being the scientific unit of frequency equal to one cycle per second), most adults’ ability to hear frequencies higher than that begins to deteriorate in early middle age.”</>


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Author: Adedeji Olowe

Adedeji / a bunch of bananas ate a monkey /

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