What if you could listen to music or a podcast without headphones or earbuds and without disturbing anyone around you? Or have a private conversation in public without other people hearing you? Newly ...

Yun Jing receives funding from NSF. Jiaxin Zhong does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed ...

Every day, thousands of people use indoor gun ranges that are designed to limit the hazards of target shooting, including lead exposure and stray bullets. But shooting indoors poses another hazard ...