Interest
Proportion of Hacker News items mentioning "bell" over time.
Mentions
Total number of Hacker News items mentioning "bell" over time.
A bell is a directly struck idiophone percussion instrument. Most bells have the shape of a hollow cup that—when struck—vibrates in a single strong strike tone, with its sides forming an efficient resonator. The strike may be made by an internal "clapper" or "uvula", an external hammer, or—in small bells—by a small loose sphere enclosed within the body of the bell. Read more on Wikipedia