Editor's Note: We have strived to maintain accessibility in our Bring Science Home activities by limiting the required technology. We recognize technology is now more widely available than it was when ...

What does noise cancellation actually do to block outside sound and why does it add so much to the cost of headphones? We explain, along with how we test this feature for our reviews. I've been a ...

Imagine walking through a field on a cloudless day when you suddenly hear the 130-decibel roar of a fighter jet. But you can’t spot the jet, or even tell which direction the sound is coming from.

July 8, 2009 – The Society of Automotive Engineers (SAE) International has produced a simple, consistent and economical sound test standard that can be used to determine whether a street bike ...

Monitors. Alarms. Pagers. People. Hospital noise can keep patients from getting a good night's sleep. Sound panels tested in the hallways of a hospital system helped reduce noise around patient rooms.