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 ...

Try to think of a world without recorded sound. No radios, televisions or telephones. Out of that relative silence rings a voice: Alexander Graham Bell’s — the man widely credited with the invention ...

Listen closely. The new bell was made from hundreds of sounds, like coins spinning, glasses clinking, and even Tibetan bowls humming. When the $10-trillion Nasdaq stock market opened its trading ...

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 ...