What does it mean to be 'quantum?' A physicist explains the basics behind Einstein's spooky actions at a distance

Imagine shining a flashlight across a dark room. You can predict exactly what the light will do: travel in a straight line ...
Bulletin of the Atomic Scientists

Albert Einstein, Leó Szilárd and the letter that led to Manhattan Project

In August of 1939, Albert Einstein sent a letter to U.S. President Franklin Delano Roosevelt, advising him that the process of nuclear fission could potentially be used to create a powerful atomic ...
Nature

Bose–Einstein condensates articles from across Nature Portfolio

Bose–Einstein condensates are a state of matter in which all the constituent particles exist in their lowest energy level. The Pauli Exclusion Principle prevents more than one electron (an example of ...
BBC

What are Venn diagrams?

A Venn diagram can show data sets such as preferences in market research. When sets intersect (overlap), the elements in the intersection are members of both sets. When the sets have no elements in ...
Investopedia

Conditional Probability: Formula and Real-Life Examples

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J Catalano is a CFP and Registered ...