In a breakthrough that challenges conventional physics, scientists have confirmed the existence of “second sound” — a phenomenon where heat travels as a wave rather than dispersing slowly ...

Some may already be familiar with the sonic boom that accompanies a break to the sound barrier, but when and why would ...

By Noah Eckstein When journalist Brian Anderson acquired a crumbling speaker monitor from the Grateful Dead’s legendary 1974 Wall of Sound via a Sotheby’s auction, it wasn’t just memorabilia he was ...

A sonic boom is the loud noise that results when something breaks the sound barrier. You break the barrier by traveling faster than the speed of sound, which is 768 mph at sea level. Supersonic ...

A sound barrier — not a wall — will be constructed southeast of Cascades Park. And a developer, not the taxpayer, will pay for it. On Wednesday, the Tallahassee City Commission advanced ...

BOARDMAN — A sound wall along Interstate 680 will reduce freeway noise for many residents, but not all. Those left out are not pleased and say it would not take much to fix the problem.

Funding was recently approved for two new sound walls along I-75, which is welcome news for people who say the noise from the highway is too much.