Researchers from Khalifa University, United Arab Emirates, working with regional and international collaborators, have ...

Physics does not adequately explain reflected sound and echo effects. Take as example the echo-producing Echoplex, a magnetic ...

LUANDA, Angola ‒ The Rev. Shavon Arline-Bradley left Angola earlier this month more inspired than ever to preserve African American history. The visit, she said, standing near this African city ...