Airliner toilets can be scary things. When they flush, they sound like they'd like to suck you in along with everything else. Frequent fliers can take heart, however, as scientists have created a ...

This awkward scenario could be a thing of the past though, thanks to a group of Brigham Young University physicists who figured out how to make airplane toilets quieter. After two years of trial and ...

Japan's famously high-tech toilets are getting a new upgrade: sound-masking devices designed to cover up the less melodic realities of public restrooms. These gadgets, often called Otohime, or "Sound ...