As the F-18 Hornet flies past, it produces a distinct and eerie “blue note” sound unlike any other jet. The effect comes from shock waves interacting with the aircraft’s twin engines during high-speed ...

There are many factors that go into producing high-quality sound through speakers and headphones. One way to improve that sound is with the equalizer.

When temperatures plunge and the air goes painfully still, people in northern forests sometimes hear a sharp crack that ...