Discover
/
Article

A Fresh Look at Entropy and the Second Law of Thermodynamics

APR 01, 2000
The existence of entropy, and its increase, can be understood without reference to either statistical mechanics or heat engines.
Elliott H. Lieb
Jakob Yngvason

In days long gone, the second law of thermodynamics (which predated the first law) was regarded as perhaps the most perfect and unassailable law in physics. It was even supposed to have philosophical import: It has been hailed for providing a proof of the existence of God (who started the universe off in a state of low entropy, from which it is constantly degenerating); conversely, it has been rejected as being incompatible with dialectical materialism and the perfectibility of the human condition.

This article is only available in PDF format

More about the authors

Elliott H. Lieb, Princeton University, Princeton, New Jersey.

Jakob Yngvason, University of Vienna, Austria.

Related content
/
Article
Interviews now available to the public bring the famed physicist’s lesser-known early years to life.
/
Article
Graduate students in physics and astronomy struggle with mental health. Support from peers and advisers is critical; so is institutional change.
/
Article
Inside certain quantum systems, where randomness was thought to lurk, researchers—after a 40-year journey—have found order and unique wave patterns that stubbornly survive.
/
Article
A half century after the discovery of Hawking radiation, we are still dealing with the quantum puzzle it exposed.
This Content Appeared In
pt-cover_2000_04.jpeg

Volume 53, Number 4

Get PT newsletters in your inbox

pt_newsletter_card_blue.png
PT The Week in Physics

A collection of PT's content from the previous week delivered every Monday.

pt_newsletter_card_darkblue.png
PT New Issue Alert

Be notified about the new issue with links to highlights and the full TOC.

pt_newsletter_card_pink.png
PT Webinars & White Papers

The latest webinars, white papers and other informational resources.

By signing up you agree to allow AIP to send you email newsletters. You further agree to our privacy policy and terms of service.