If you stroke the edge of a drinking glass with the fingertips you will hear a faint musical note. Concerts on sets of wine glasses, played in this way, and filled with water to tune them to different ...

If you have ever entertained dinner guests by running a wet fingertip around the edge of a crystal goblet to create a musical tone, you have experienced the pure sound that inspired one of Benjamin ...

Benjamin Franklin invented a lot of things—bifocals, electricity, lightning rods, stoves, swimming fins, the odometer and a flexible urinary catheter. Also, the glass harp (or, if you prefer, glass ...