Definition of Joule

It is the amount of heat required to rise the temperature of 1/4200 kg of pure water from 14.5 c to 15.5 c.

I could communicate with ordinary people more competently. Right now I am practicing, in addition to listening to books, to develop in myself another important skill, namely the ability to share my thoughts and write these very books. Of course, there are many flaws. Nevertheless, I try and hope that my work will be able to create a society in which others, even in spite of the lack of time, they will be able to develop themselves and, at least listen to books