The term entropy is used in information theory as a "measure of the uncertainty associated with a random variable" and refers to an axiom called the Shannon Entropy. The concept was introduced by ...

Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Thomas J Catalano is a CFP and Registered Investment Adviser with the state of South Carolina, where he launched ...

Entropy also increases in initially ordered quantum systems until it reaches a final state of disorder. Entropy and the direction of time Equating 'entropy' with 'disorder' is not entirely correct.

Science popularization has its legends and heroes, just like any other field, though I’ve heard no plans as yet to open a Hall of Fame. Should that day come, one of the first inductees would ...

What is the concept of entropy? Embedded-system applications that exploit entropy. How to implement entropy. What sources of entropy are available? Computers are designed to be predictable. Under the ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we hand over the keyboard to a physicist or two to tell you about fascinating ideas from their corner of the universe.

Thermodynamic spontaneity—whether a reaction can go—can be measured by changes in either of two parameters: entropy or free energy.