Screeching sound - questions and answers. If you have a question about this topic, please click on the "New Question" button. If you wouldn't like to miss any new question in this topic, please subscribe.

> #screeching-sound


Mar 30, 2020

Why do fingernails (and sometimes chalk) sound so awful on a blackboard?

There’s an official name for the horrible sounds that emanate from a blackboard: chalk squeal. Scientists say that the explanation involves both friction and resonance.

1 1
1 0


© 2024 - Quanswer