Ringtone Audible Only to Under-20 Year Olds

41 votes, average: 3.88 out of 541 votes, average: 3.88 out of 541 votes, average: 3.88 out of 541 votes, average: 3.88 out of 541 votes, average: 3.88 out of 5 (41 votes)

Woow!!! This has to be the coolest audio illusion of all times! Apparently, using the Mosquito device, UK pupils have recorded the ultra-high sound that is audible only to under-20-year-olds. Your hearing gets progressively worse around the age of 20, so if you play a sound on the edge of your hearing spectrum, unless you [...]

May 24, 2006 with 266 Comments

Full Article »