SOUND IS ALWAYS ON...EVEN IN SPACE... ...... (THERE IS NO - TopicsExpress



          

SOUND IS ALWAYS ON...EVEN IN SPACE... ...... (THERE IS NO SILENCE...ONLY DEAF EARS) ..... (``LISTEN AND SEE``) ..... The human range is commonly given as 20 to 20,000 Hz, though there is considerable variation between individuals, especially at high frequencies, and a gradual decline with age is considered normal. Sensitivity also varies with frequency, as shown by equal-loudness contours en.wikipedia.org/wiki/Hearing_range ........................... https://youtube/watch?v=2BAR248VRG0
Posted on: Tue, 19 Aug 2014 09:56:59 +0000

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