This is a simple and very useful article on building a circuit that produces “ding dong” sound using 555 timer. We observe different types of door bells in different houses. They produce different ...

Ding-dong, ding-dong. That’s the sound of the bells tolling, and for whom they toll is the one known as “Todd Coghi.” This one has been making a bit of a splash in the papers lately, and there are ...

On Christmas day in the morning, bellringers spit on their hands; they catch hold of the ropes that go up into rimed steeples. “Ding dong,” goes the first faint and shaken bell; swallows leap out of ...

Bells are a popular source of festive delight during the Christmas period – and now beautiful images showing in unprecedented detail how bells vibrate to make a harmonious sound have been produced by ...