Alexander Graham Bell, as you probably know, invented the telephone. What you may not know, is that he also made crucial refinements to the first techniques used to record and play back sound. And yet ...

What does a 200-ton bell sound like? It’s an academic question, as the only accessible bell of that size broke beyond repair shortly after manufacture in 1732 in Russia. The Tsar Bell captured the ...

American history is full of memorable quotes and speeches, but until recently the oldest audio recorded was captured in 1888 on a phonograph invented earlier that year by Thomas Edison. Thanks to new ...

The familiar sound of a school bell ringing is created by vibrations caused by a clapper inside the bell. The clapper swings back and forth, hitting the inside of the bell and creating vibrations. The ...