If you live in a city, near a highway, or an airport, you may be bothered by a variety of low-frequency noises emitted by cars and airplanes. Research results have been announced that ``ping pong ...

There have been reports of a mysterious "pinging" sound that is said to be coming from the Arctic sea floor, with the phenomenon now involving the Canadian military. Hunters in a remote Nunavut ...

FURY, Nunavut, Nov. 5 (UPI) --The Canadian military is investigating a mysterious "pinging" sound heard emanating from the sea floor. The sound, also described as a "hum" or a "beep" has been heard in ...

Put an ear to the ocean and listen carefully, but beware. The water may play tricks on you. Are you sure you heard a ping from a black box, and if so, where did it coming from? If you’re searching for ...

About two weeks ago, a question popped up on Quora asking: “How much research has gone into developing the Facebook ‘ping’ sound?” The author continued, “The sound is so pleasant sometimes that it ...

It’s a cheesy bit of trivia to be sure. Facebook’s ping sound–the alert you might hear if you receive a Facebook video call–is built from an Fmaj7 chord. That means the notes are actually F, A, C, and ...