Interest
Proportion of Hacker News items mentioning "boiler" over time.
Mentions
Total number of Hacker News items mentioning "boiler" over time.
A boiler is a closed vessel in which fluid is heated. The fluid does not necessarily boil. The heated or vaporized fluid exits the boiler for use in various processes or heating applications, including water heating, central heating, boiler-based power generation, cooking, and sanitation. Read more on Wikipedia