Seven Brief Lessons on Physics

I bought this ebook as an offer and I was surprised about how short it was. It is easy to digest as it is not a hardcore science book

The most interesting lesson was the last one about “Probability, time and heat”. “the difference between past and future only exists when there is heat”. And the reason the heats from from hotter to cooler things is just probability…

And I dont mean I fully understood everything but It was a nice and light read.