Physics

Wave or Particle—What Is Light?

July 15, 2017

Light propagates through space as a continuous wave, but also exchanges energy in the form of discrete particles. So, wave or particle—what is light? […]

Group Of Young People Standing At The Entrance Of Voting Room
Applied Math

Can You Trust Polling Results?

March 27, 2017

Polling can be an effective mechanism to predict the outcome of a vote, but in order to obtain valid results you have to be careful about how you construct your sample audience. […]

Head or tails. A concept image showing both sides of an antique coin.
Applied Math

The Nature of Randomness

February 25, 2017

Randomness can be confusing to the human mind, because its expression is often quite different than what we expect it might be. […]

Encrypted Data Privacy Online Security Protection Concept
Applied Math

How to Make an Unbreakable Code

January 18, 2017

By Edward B. Burger, Southwestern University Throughout history, people have had a desire to keep certain information hidden from other people. Communications involving business transactions, […]

do souls exist? - abstract image of body and soul
Philosophy

Do Souls Exist?

January 11, 2017

Do souls exist? Professor David Kyle Johnson answers 7 philosophical questions on one of the most discussed subjects in human history. […]

Professor Chats

Big Questions: What is Reality?

December 23, 2016

On April 6, 2016, Professor Steven Gimbel sat down for a live Q&A session with his fans from across the globe. The chat is over, but the transcript is posted below for you to enjoy. […]

1 6 7 8 9