Physics Van 3-site Navigational Menu

Physics Van Navigational Menu

Q & A: origin of the second law of thermodynamics

Learn more physics!

Most recent answer: 11/01/2015
Q:
The idea of time evidently functions equally well with a + or - sign. How is this squared with the 2nd law of thermodynamics112
- Michael Kelly (age 70)
Lugano Switzerland
A:

We don't really know how it is that entropy started out so low in our universe, allowing it to keep increasing. This is one of the deep problems of physics. People have been trying to understand since Boltzmann first came up with an idea about it (), but at heart we just don't know.

Mike W.


(published on 11/01/2015)

Follow-up on this answer.